Access Comprehensive ASN WHOIS Data for Network Research
Explore ASN WHOIS data for ownership, organizational details, and associated IP ranges to map network topology and routing policies. Use accurate ASN insights to optimize routing, study ISPs, and improve network planning and operations.
| As Number | As Name | Org Name | Description | Org Handle | Country | Type | Domain | Website | Allocation Status | Whois Host | Whois Response | Bgp Whois | Num Of I Pv4 Routes | Num Of I Pv6 Routes | Date Allocated | Routes | Email contacts | Abuse contacts | Peers asns | Upstream asns | Downstream asns | Peers count | Upstream count | Downstream count |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3640 | MX-CICE-LACNIC | C I C E S E | N/A | MX-CICE-LACNIC | MX | EDUCATION | cicese.mx | N/A | N/A | lacnic | % Joint Whois - whois.lacnic... | N/A | 7 | 2 | 2025-06-20T00:00 | 158.97.0.0/18,2801:c4:f8::/45,... | [email protected],heespi@ci... | N/A | AS28569,AS16596,AS8151,AS278 | AS28569,AS8151 | AS16596,AS278 | 4 | 2 | 2 |
| 3 | MIT-GATEWAYS | Massachusetts Institute of Tec... | N/A | mit-2 | US | EDUCATION | mit.edu | N/A | N/A | ARIN | # # ARIN WHOIS data and servi... | N/A | 93 | 9 | 2025-12-02T00:00 | 18.3.13.0/24,18.3.7.0/24,18.3.... | [email protected],[email protected],... | N/A | AS54755,AS133296,AS27064,AS701... | AS133296,AS7015,AS174,AS63483,... | AS54755,AS133720,AS22608 | 21 | 14 | 3 |
| 3638 | GLOBALI | Shaman Exchange, Inc. | N/A | shaman-5 | US | ISP | globali.net | N/A | N/A | ARIN | # # ARIN WHOIS data and servi... | N/A | 0 | 0 | 2002-09-13T00:00 | N/A | [email protected] | [email protected] | N/A | N/A | N/A | N/A | N/A | N/A |
| 7 | DSTL | The Defence Science and Techno... | N/A | org-tdsa4-ripe | GB | GOVERNMENT | dstl.gov.uk | N/A | N/A | RIPE | % This is the RIPE Database qu... | N/A | 18 | 1 | 2018-11-05T09:31:24 | 146.80.160.0/19,146.80.240.0/2... | N/A | [email protected] | AS133936,AS263508,AS53121,AS13... | AS133936,AS53121,AS136617,AS52... | AS263508,AS271347,AS272277 | 10 | 5 | 3 |
| 3639 | AS-BIZNET | Mystic Valley Communications | N/A | mvc-12 | US | ISP | netsavvy.com | N/A | N/A | ARIN | # # ARIN WHOIS data and servi... | N/A | 0 | 0 | 1994-06-01T00:00 | N/A | [email protected] | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 3661 | ERX-CUHKNET | The Chinese University of Hong... | The Chinese University of Hong... | org-cuoh1-ap | HK | EDUCATION | cuhk.edu.hk | N/A | N/A | APNIC | % [whois.apnic.net] % Whois da... | N/A | 8 | 2 | 2022-12-05T02:41:49 | 203.188.64.0/20,175.159.224.0/... | [email protected],noc-tech... | [email protected] | AS137207,AS39120,AS7713,AS4641... | AS7713,AS137207,AS39120,AS4641... | N/A | 23 | 11 | N/A |
| 3653 | HBAL-2-3653 | House of Ben Avraham LLC | N/A | hbal-2 | US | BUSINESS | hoba.net | N/A | N/A | ARIN | # # ARIN WHOIS data and servi... | N/A | 4 | 1 | 2021-09-14T00:00 | 193.149.148.0/24,193.149.148.0... | [email protected] | N/A | AS14537,AS174,AS8674,AS24482,A... | AS4826,AS23352,AS137409,AS5650... | AS20144 | 33 | 11 | 1 |
[
{
"asNumber": "3640",
"asName": "MX-CICE-LACNIC",
"orgName": "C I C E S E",
"description": "",
"orgHandle": "MX-CICE-LACNIC",
"routes": [
"158.97.0.0/18",
"2801:c4:f8::/45",
"2801:c4:f0::/45",
"158.97.120.0/21",
"158.97.64.0/19",
"158.97.112.0/21",
"192.84.12.0/24",
"158.97.96.0/20",
"158.97.128.0/17"
],
"country": "MX",
"type": "EDUCATION",
"domain": "cicese.mx",
"website": "",
"allocationStatus": "",
"contacts": {
"emailContacts": [
"[email protected]",
"[email protected]"
],
"abuseContacts": []
},
"whoisHost": "lacnic",
"whoisResponse": " \n% Joint Whois - whois.lacnic.net\n% This server accepts single ASN, IPv4 or IPv6 queries\n\n% LACNIC resource: whois.lacnic.net\n\n\n% Copyright LACNIC lacnic.net\n% The data below is provided for information purposes\n% and to assist persons in obtaining information about or\n% related to AS and IP numbers registrations\n% By submitting a whois query, you agree to use this data\n% only for lawful purposes.\n% 2026-02-03 09:38:00 (-03 -03:00)\n\naut-num: AS3640\nowner: C I C E S E\nownerid: MX-CICE-LACNIC\nresponsible: David Covarrubias Rosales\naddress: Km. 107, Carretera Tijuana-Ensenada, 3918, Zona Playitas\naddress: 22860 - Ensenada - BC\ncountry: MX\nphone: +52 6461750500\nowner-c: EDM126\nrouting-c: NOH13\nabuse-c: EDM126\ncreated: 19940601\nchanged: 20250620\n\nnic-hdl: EDM126\nperson: Edwin Martinez\ne-mail: [email protected]\naddress: Carretera Ensenada - Tijuana, 3918, Zona Playitas\naddress: 22860 - Ensenada - BC\ncountry: MX\nphone: +52 6461750586\ncreated: 20210819\nchanged: 20250124\n\nnic-hdl: NOH13\nperson: Norma Herrera\ne-mail: [email protected]\naddress: Carretera Ensenada Tijuana, 3918, Zona Playitas\naddress: 22860 - Ensenada - BC\ncountry: MX\nphone: +52 6461750500 [23222]\ncreated: 20250508\nchanged: 20250508\n\n% whois.lacnic.net accepts only direct match queries.\n% Types of queries are: POCs, ownerid, CIDR blocks, IP\n% and AS numbers.\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n\n\nASNumber: 3640\nASName: LACNIC-3640\nASHandle: AS3640\nRegDate: 1994-06-01\nUpdated: 2007-12-17\nComment: This AS is under LACNIC responsibility for further allocations to\nComment: users in LACNIC region.\nComment: Please see http://www.lacnic.net/ for further details, or check the\nComment: WHOIS server located at http://whois.lacnic.net \nRef: https://rdap.arin.net/registry/autnum/3640\n\nResourceLink: http://lacnic.net/cgi-bin/lacnic/whois\nResourceLink: whois.lacnic.net\n\n\nOrgName: Latin American and Caribbean IP address Regional Registry\nOrgId: LACNIC\nAddress: Rambla Republica de Mexico 6125\nCity: Montevideo\nStateProv: \nPostalCode: 11400\nCountry: UY\nRegDate: 2002-07-27\nUpdated: 2018-03-15\nRef: https://rdap.arin.net/registry/entity/LACNIC\n\nReferralServer: whois://whois.lacnic.net\nResourceLink: http://lacnic.net/cgi-bin/lacnic/whois\n\nOrgAbuseHandle: LWI100-ARIN\nOrgAbuseName: LACNIC Whois Info\nOrgAbusePhone: +598-2604-2222 \nOrgAbuseEmail: [email protected]\nOrgAbuseRef: https://rdap.arin.net/registry/entity/LWI100-ARIN\n\nOrgTechHandle: LACNIC-ARIN\nOrgTechName: LACNIC Whois Info\nOrgTechPhone: +598-2604-2222 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/LACNIC-ARIN\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n",
"peers": [
{
"asNumber": "AS28569",
"description": "Corporacion Universitaria para el Desarrollo de Internet, A.C.",
"country": "MX"
},
{
"asNumber": "AS16596",
"description": "Universidad Autonoma del Estado de Baja California",
"country": "MX"
},
{
"asNumber": "AS8151",
"description": "UNINET",
"country": "MX"
},
{
"asNumber": "AS278",
"description": "Universidad Nacional Autonoma de Mexico",
"country": "MX"
}
],
"upstreams": [
{
"asNumber": "AS28569",
"description": "Corporacion Universitaria para el Desarrollo de Internet, A.C.",
"country": "MX"
},
{
"asNumber": "AS8151",
"description": "UNINET",
"country": "MX"
}
],
"downstreams": [
{
"asNumber": "AS16596",
"description": "Universidad Autonoma del Estado de Baja California",
"country": "MX"
},
{
"asNumber": "AS278",
"description": "Universidad Nacional Autonoma de Mexico",
"country": "MX"
}
],
"bgpWhois": "",
"numOfIPv4Routes": "7",
"numOfIPv6Routes": "2",
"legacyRoutes": [],
"dateAllocated": "2025-06-20T00:00",
"allContacts": [
"[email protected]",
"[email protected]"
]
},
{
"asNumber": "3",
"asName": "MIT-GATEWAYS",
"orgName": "Massachusetts Institute of Technology",
"description": "",
"orgHandle": "mit-2",
"routes": [
"18.3.13.0/24",
"18.3.7.0/24",
"18.3.28.0/24",
"18.3.14.0/24",
"2603:4001::/32",
"18.3.6.0/24",
"18.7.119.0/24",
"2603:400a::/32",
"18.3.90.0/24",
"18.31.0.0/16",
"18.3.151.0/24",
"18.7.117.0/24",
"18.3.12.0/24",
"18.3.15.0/24",
"18.3.116.0/24",
"18.29.0.0/16",
"18.3.4.0/24",
"18.7.23.0/24",
"18.3.11.0/24",
"43.224.134.0/24",
"18.3.9.0/24",
"18.3.122.0/24",
"18.7.40.0/24",
"18.3.17.0/24",
"18.3.3.0/24",
"18.3.103.0/24",
"18.3.153.0/24",
"18.3.106.0/24",
"18.3.109.0/24",
"18.7.120.0/24",
"18.7.84.0/24",
"2603:4011::/32",
"18.7.39.0/24",
"18.14.0.0/16",
"192.52.65.0/24",
"192.52.62.0/24",
"18.18.0.0/16",
"18.25.0.0/16",
"18.10.0.0/16",
"18.3.0.0/16",
"18.3.19.0/24",
"18.1.0.0/16",
"18.4.0.0/16",
"18.5.0.0/16",
"18.7.82.0/24",
"18.0.0.0/16",
"18.3.21.0/24",
"18.3.155.0/24",
"18.6.0.0/16",
"18.7.0.0/16",
"2603:4008::/32",
"192.52.63.0/24",
"18.3.67.0/24",
"2603:4007::/32",
"18.3.22.0/24",
"192.52.64.0/24",
"18.3.111.0/24",
"18.3.156.0/24",
"18.3.23.0/24",
"18.7.34.0/24",
"18.3.108.0/24",
"18.3.105.0/24",
"18.7.80.0/24",
"18.22.0.0/16",
"18.13.0.0/16",
"18.15.0.0/16",
"18.3.154.0/24",
"18.9.0.0/16",
"18.3.18.0/24",
"18.26.0.0/16",
"18.3.1.0/24",
"18.17.0.0/16",
"43.224.133.0/24",
"18.11.0.0/16",
"2603:4010::/32",
"18.3.20.0/24",
"18.3.16.0/24",
"18.7.32.0/24",
"18.3.10.0/24",
"18.3.104.0/24",
"18.3.152.0/24",
"18.7.102.0/24",
"18.3.69.0/24",
"128.52.0.0/16",
"192.52.61.0/24",
"18.7.108.0/24",
"2804:4074::/32",
"18.7.54.0/24",
"128.30.0.0/15",
"103.105.251.0/24",
"18.7.118.0/24",
"43.224.135.0/24",
"2603:4009::/32",
"2603:4000::/32",
"18.3.2.0/24",
"18.3.5.0/24",
"18.23.0.0/16",
"18.3.8.0/24",
"18.8.0.0/16",
"18.27.0.0/16",
"18.12.0.0/16",
"18.16.0.0/16"
],
"country": "US",
"type": "EDUCATION",
"domain": "mit.edu",
"website": "",
"allocationStatus": "",
"contacts": {
"emailContacts": [
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]"
],
"abuseContacts": []
},
"whoisHost": "ARIN",
"whoisResponse": "\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n\n\nASNumber: 3\nASName: MIT-GATEWAYS\nASHandle: AS3\nRegDate: \nUpdated: 2025-12-02 \nRef: https://rdap.arin.net/registry/autnum/3\n\n\nOrgName: Massachusetts Institute of Technology\nOrgId: MIT-2\nAddress: Room W92-167\nAddress: 77 Massachusetts Avenue\nCity: Cambridge\nStateProv: MA\nPostalCode: 02139-4307\nCountry: US\nRegDate: \nUpdated: 2024-11-25\nRef: https://rdap.arin.net/registry/entity/MIT-2\n\n\nOrgAbuseHandle: MNS18-ARIN\nOrgAbuseName: MIT Network Security\nOrgAbusePhone: +1-617-324-1782 \nOrgAbuseEmail: [email protected]\nOrgAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN\n\nOrgTechHandle: BROWN2958-ARIN\nOrgTechName: Brown, Olu \nOrgTechPhone: +1-617-258-7870 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/BROWN2958-ARIN\n\nOrgRoutingHandle: MNO78-ARIN\nOrgRoutingName: MIT Network Operations\nOrgRoutingPhone: +1-617-253-8400 \nOrgRoutingEmail: [email protected]\nOrgRoutingRef: https://rdap.arin.net/registry/entity/MNO78-ARIN\n\nOrgDNSHandle: MNO78-ARIN\nOrgDNSName: MIT Network Operations\nOrgDNSPhone: +1-617-253-8400 \nOrgDNSEmail: [email protected]\nOrgDNSRef: https://rdap.arin.net/registry/entity/MNO78-ARIN\n\nOrgNOCHandle: MNO78-ARIN\nOrgNOCName: MIT Network Operations\nOrgNOCPhone: +1-617-253-8400 \nOrgNOCEmail: [email protected]\nOrgNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN\n\nOrgTechHandle: GOMES41-ARIN\nOrgTechName: Gomes, Marco \nOrgTechPhone: +1-617-253-0336 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/GOMES41-ARIN\n\nRAbuseHandle: MNS18-ARIN\nRAbuseName: MIT Network Security\nRAbusePhone: +1-617-324-1782 \nRAbuseEmail: [email protected]\nRAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN\n\nRNOCHandle: MNO78-ARIN\nRNOCName: MIT Network Operations\nRNOCPhone: +1-617-253-8400 \nRNOCEmail: [email protected]\nRNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n",
"peers": [
{
"asNumber": "AS54755",
"description": "Desert Winds Wireless Inc",
"country": "US"
},
{
"asNumber": "AS133296",
"description": "Web Werks India Pvt. Ltd.",
"country": "IN"
},
{
"asNumber": "AS27064",
"description": "DoD Network Information Center",
"country": "US"
},
{
"asNumber": "AS7015",
"description": "Comcast Cable Communications, LLC",
"country": "US"
},
{
"asNumber": "AS174",
"description": "Cogent Communications, LLC",
"country": "US"
},
{
"asNumber": "AS133720",
"description": "Zess Networks Private Limited",
"country": "IN"
},
{
"asNumber": "AS63483",
"description": "Skynet",
"country": "US"
},
{
"asNumber": "AS29091",
"description": "ipNX Nigeria Limited",
"country": "NG"
},
{
"asNumber": "AS3356",
"description": "Level 3 Parent, LLC",
"country": "US"
},
{
"asNumber": "AS6939",
"description": "Hurricane Electric LLC",
"country": "US"
},
{
"asNumber": "AS22608",
"description": "Public Utility District No. 1 of Okanogan County",
"country": "US"
},
{
"asNumber": "AS16713",
"description": "Northwest Open Access Network",
"country": "US"
},
{
"asNumber": "AS37613",
"description": "DOLPHIN TELECOMMUNICATION LIMITED",
"country": "GH"
},
{
"asNumber": "AS264988",
"description": "AW Online Ltda",
"country": "BR"
},
{
"asNumber": "AS132925",
"description": "Ideastack Solutions Private Limited",
"country": "IN"
},
{
"asNumber": "AS265960",
"description": "FNETCOM TELECOMUNICACAO E INFORMATICA LTDA",
"country": "BR"
},
{
"asNumber": "AS10578",
"description": "Harvard University",
"country": "US"
},
{
"asNumber": "AS268142",
"description": "MAXXTELECOM LTDA",
"country": "BR"
},
{
"asNumber": "AS59404",
"description": "Korkino-Cable Television Networks Ltd",
"country": "RU"
},
{
"asNumber": "AS59404",
"description": "Korkino Cable Television Networks Ltd",
"country": "RU"
},
{
"asNumber": "AS293",
"description": "ESnet",
"country": "US"
}
],
"upstreams": [
{
"asNumber": "AS133296",
"description": "Web Werks India Pvt. Ltd.",
"country": "IN"
},
{
"asNumber": "AS7015",
"description": "Comcast Cable Communications, LLC",
"country": "US"
},
{
"asNumber": "AS174",
"description": "Cogent Communications, LLC",
"country": "US"
},
{
"asNumber": "AS63483",
"description": "Skynet",
"country": "US"
},
{
"asNumber": "AS3356",
"description": "Level 3 Parent, LLC",
"country": "US"
},
{
"asNumber": "AS6939",
"description": "Hurricane Electric LLC",
"country": "US"
},
{
"asNumber": "AS16713",
"description": "Northwest Open Access Network",
"country": "US"
},
{
"asNumber": "AS264988",
"description": "AW Online Ltda",
"country": "BR"
},
{
"asNumber": "AS132925",
"description": "Ideastack Solutions Private Limited",
"country": "IN"
},
{
"asNumber": "AS265960",
"description": "FNETCOM TELECOMUNICACAO E INFORMATICA LTDA",
"country": "BR"
},
{
"asNumber": "AS10578",
"description": "Harvard University",
"country": "US"
},
{
"asNumber": "AS268142",
"description": "MAXXTELECOM LTDA",
"country": "BR"
},
{
"asNumber": "AS59404",
"description": "Korkino Cable Television Networks Ltd",
"country": "RU"
},
{
"asNumber": "AS293",
"description": "ESnet",
"country": "US"
}
],
"downstreams": [
{
"asNumber": "AS54755",
"description": "Desert Winds Wireless Inc",
"country": "US"
},
{
"asNumber": "AS133720",
"description": "Zess Networks Private Limited",
"country": "IN"
},
{
"asNumber": "AS22608",
"description": "Public Utility District No. 1 of Okanogan County",
"country": "US"
}
],
"bgpWhois": "",
"numOfIPv4Routes": "93",
"numOfIPv6Routes": "9",
"legacyRoutes": [
"103.236.108.0/24",
"103.161.12.0/24",
"103.105.249.0/24",
"103.173.69.0/24",
"193.242.190.0/24",
"103.241.171.0/24",
"168.235.165.0/24",
"103.241.169.0/24",
"103.236.111.0/24",
"103.211.170.0/24",
"45.170.62.0/24",
"43.249.189.0/24",
"36.50.4.0/23",
"103.135.121.0/24",
"103.172.229.0/24",
"103.236.109.0/24",
"103.183.242.0/24",
"103.236.110.0/24",
"103.241.168.0/24",
"103.241.170.0/24",
"43.249.191.0/24",
"168.235.172.0/24",
"43.224.132.0/24",
"103.172.228.0/24",
"168.235.163.0/24",
"103.135.120.0/24",
"103.173.68.0/24",
"103.233.26.0/24",
"170.84.68.0/22",
"43.249.190.0/24",
"103.211.171.0/24",
"103.161.13.0/24",
"168.235.162.0/24",
"103.183.243.0/24",
"43.249.188.0/24",
"103.114.63.0/24"
],
"dateAllocated": "2025-12-02T00:00",
"allContacts": [
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]"
]
},
{
"asNumber": "3638",
"asName": "GLOBALI",
"orgName": "Shaman Exchange, Inc.",
"description": "",
"orgHandle": "shaman-5",
"routes": [],
"country": "US",
"type": "ISP",
"domain": "globali.net",
"website": "",
"allocationStatus": "",
"contacts": {
"emailContacts": [
"[email protected]"
],
"abuseContacts": [
"[email protected]"
]
},
"whoisHost": "ARIN",
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"whoisResponse": "% This is the RIPE Database query service.\n% The objects are in RPSL format.\n%\n% The RIPE Database is subject to Terms and Conditions.\n% See https://docs.db.ripe.net/terms-conditions.html\n\n% Note: this output has been filtered.\n% To receive output for a database update, use the \"-B\" flag.\n\n% Information related to 'AS7 - AS7'\n\nas-block: AS7 - AS7\ndescr: RIPE NCC ASN block\nremarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.\nmnt-by: RIPE-NCC-HM-MNT\ncreated: 2018-11-22T15:27:05Z\nlast-modified: 2018-11-22T15:27:05Z\nsource: RIPE\n\n% Information related to 'AS7'\n\n% Abuse contact for 'AS7' is '[email protected]'\n\naut-num: AS7\nas-name: DSTL\norg: ORG-TDSA4-RIPE\nimport: from AS786 action pref=50; accept ANY\ndefault: to AS786 action pref=1; networks ANY\nadmin-c: DSTL2-RIPE\ntech-c: DSTL3-RIPE\nstatus: LEGACY\nmnt-by: JIPS-NOSC\nmnt-by: DSTL-MNT\ncreated: 2002-05-27T10:16:30Z\nlast-modified: 2018-11-05T09:31:24Z\nsource: RIPE\n\norganisation: ORG-TDSA4-RIPE\norg-name: The Defence Science and Technology Laboratory\ncountry: GB\norg-type: LIR\naddress: Porton Down\naddress: SP4 0JG\naddress: Salisbury\naddress: UNITED KINGDOM\nphone: +4401980950000\nadmin-c: DSTL2-RIPE\ntech-c: DSTL3-RIPE\nabuse-c: DSTL4-RIPE\nmnt-ref: DSTL-MNT\nmnt-by: RIPE-NCC-HM-MNT\nmnt-by: DSTL-MNT\ncreated: 2017-06-13T13:26:55Z\nlast-modified: 2020-12-16T12:29:46Z\nsource: RIPE # Filtered\n\nrole: Dstl Admin\naddress: Dstl Digital\naddress: Porton Down\naddress: Salisbury\naddress: Wiltshire\naddress: SP4 0JQ\nphone: +44 1980 950000\nnic-hdl: DSTL2-RIPE\nmnt-by: DSTL-MNT\ncreated: 2018-10-04T10:19:36Z\nlast-modified: 2025-06-22T12:29:09Z\nsource: RIPE # Filtered\n\nrole: Dstl Tech\naddress: Dstl Digital\naddress: Porton Down\naddress: Salisbury\naddress: Wiltshire\naddress: SP4 0JQ\nphone: +44 1980 950000\nnic-hdl: DSTL3-RIPE\nmnt-by: DSTL-MNT\ncreated: 2018-10-04T10:25:49Z\nlast-modified: 2025-06-22T12:28:25Z\nsource: RIPE # Filtered\n\n% This query was served by the RIPE Database Query Service version 1.120 (DEXTER)\n\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n\n\nASNumber: 7\nASName: RIPE-ASNBLOCK-7\nASHandle: AS7\nRegDate: 2002-10-15\nUpdated: 2003-04-25\nComment: These addresses have been further assigned to users in\nComment: the RIPE NCC region. Contact information can be found in\nComment: the RIPE database at http://www.ripe.net/whois \nRef: https://rdap.arin.net/registry/autnum/7\n\nResourceLink: https://apps.db.ripe.net/db-web-ui/query\nResourceLink: whois.ripe.net\n\n\nOrgName: RIPE Network Coordination Centre\nOrgId: RIPE\nAddress: P.O. Box 10096\nCity: Amsterdam\nStateProv: \nPostalCode: 1001EB\nCountry: NL\nRegDate: \nUpdated: 2013-07-29\nRef: https://rdap.arin.net/registry/entity/RIPE\n\nReferralServer: whois.ripe.net\nResourceLink: https://apps.db.ripe.net/db-web-ui/query\n\nOrgTechHandle: RNO29-ARIN\nOrgTechName: RIPE NCC Operations\nOrgTechPhone: +31 20 535 4444 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/RNO29-ARIN\n\nOrgAbuseHandle: ABUSE3850-ARIN\nOrgAbuseName: Abuse Contact\nOrgAbusePhone: +31205354444 \nOrgAbuseEmail: [email protected]\nOrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3850-ARIN\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n",
"peers": [
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"whoisResponse": "% [whois.apnic.net]\n% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html\n\n% Information related to 'AS3661'\n\n% Abuse contact for 'AS3661' is '[email protected]'\n\naut-num: AS3661\nas-name: ERX-CUHKNET\ndescr: The Chinese University of Hong Kong\ndescr: Information Technology Services Centre\ncountry: HK\nremarks: This aut-num object created as part of the ER-Transfer from ARIN\norg: ORG-CUOH1-AP\nadmin-c: NA17-AP\ntech-c: NT27-AP\nabuse-c: AC2019-AP\nmnt-by: APNIC-HM\nmnt-lower: MAINT-CUHKNET-HK\nmnt-routes: MAINT-CUHKNET-HK\nmnt-irt: IRT-CUHKNET-HK\nlast-modified: 2022-12-05T02:41:49Z\nsource: APNIC\n\nirt: IRT-CUHKNET-HK\naddress: Information Technology Services Centre,\naddress: The Chinese University of Hong Kong,\naddress: Shatin, N.T.\naddress: Hong Kong\ne-mail: [email protected]\nabuse-mailbox: [email protected]\nadmin-c: NA17-AP\ntech-c: NT27-AP\nauth: # Filtered\nremarks: [email protected] was validated on 2025-11-12\nmnt-by: MAINT-CUHKNET-HK\nlast-modified: 2025-11-18T00:26:31Z\nsource: APNIC\n\norganisation: ORG-CUOH1-AP\norg-name: The Chinese University of Hong Kong\norg-type: LIR\ncountry: HK\naddress: Information Technology Service Centre\naddress: G/F., Pi-Chiu Building\nphone: +852-3943-8848\nfax-no: +852-2603-5001\ne-mail: [email protected]\nmnt-ref: APNIC-HM\nmnt-by: APNIC-HM\nlast-modified: 2023-09-05T02:14:42Z\nsource: APNIC\n\nrole: ABUSE CUHKNETHK\ncountry: ZZ\naddress: Information Technology Services Centre,\naddress: The Chinese University of Hong Kong,\naddress: Shatin, N.T.\naddress: Hong Kong\nphone: +000000000\ne-mail: [email protected]\nadmin-c: NA17-AP\ntech-c: NT27-AP\nnic-hdl: AC2019-AP\nremarks: Generated from irt object IRT-CUHKNET-HK\nremarks: [email protected] was validated on 2025-11-12\nabuse-mailbox: [email protected]\nmnt-by: APNIC-ABUSE\nlast-modified: 2025-11-12T01:03:41Z\nsource: APNIC\n\nperson: Network Administration Contact\naddress: Information Technology Services Centre,\naddress: The Chinese University of Hong Kong,\naddress: Shatin, N.T.\naddress: Hong Kong\ncountry: HK\nphone: +852-3943-8830\nfax-no: +852-2603-5001\ne-mail: [email protected]\nnic-hdl: NA17-AP\nnotify: [email protected]\nmnt-by: MAINT-CUHKNET-HK\nlast-modified: 2012-09-19T01:45:32Z\nsource: APNIC\n\nperson: Network Technical Contact\naddress: Information Technology Services Centre,\naddress: The Chinese University of Hong Kong,\naddress: Shatin, N.T.\naddress: Hong Kong\ncountry: HK\nphone: +852-3943-8830\nfax-no: +852-2603-5001\ne-mail: [email protected]\nnic-hdl: NT27-AP\nnotify: [email protected]\nmnt-by: MAINT-CUHKNET-HK\nlast-modified: 2012-09-19T01:46:08Z\nsource: APNIC\n\n% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)\n\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n\n\nASNumber: 3661 - 3662\nASName: APNIC-3661\nASHandle: AS3661\nRegDate: 2002-07-31\nUpdated: 2009-10-08\nComment: These AS numbers are not registered in the ARIN database.\nComment: For details, refer to the APNIC Whois Database via\nComment: WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl \nRef: https://rdap.arin.net/registry/autnum/3661\n\nResourceLink: https://apps.db.ripe.net/db-web-ui/query\nResourceLink: whois.apnic.net\n\n\nOrgName: Asia Pacific Network Information Centre\nOrgId: APNIC\nAddress: PO Box 3646\nCity: South Brisbane\nStateProv: QLD\nPostalCode: 4101\nCountry: AU\nRegDate: \nUpdated: 2012-01-24\nRef: https://rdap.arin.net/registry/entity/APNIC\n\nReferralServer: whois://whois.apnic.net\nResourceLink: http://wq.apnic.net/whois-search/static/search.html\n\nOrgAbuseHandle: AWC12-ARIN\nOrgAbuseName: APNIC Whois Contact\nOrgAbusePhone: +61 7 3858 3188 \nOrgAbuseEmail: [email protected]\nOrgAbuseRef: https://rdap.arin.net/registry/entity/AWC12-ARIN\n\nOrgTechHandle: AWC12-ARIN\nOrgTechName: APNIC Whois Contact\nOrgTechPhone: +61 7 3858 3188 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n",
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},
{
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},
"whoisHost": "ARIN",
"whoisResponse": "\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n\n\nASNumber: 3653\nASName: HBAL-2-3653\nASHandle: AS3653\nRegDate: 2021-09-10\nUpdated: 2021-09-14 \nRef: https://rdap.arin.net/registry/autnum/3653\n\n\nOrgName: House of Ben Avraham LLC\nOrgId: HBAL-2\nAddress: 3415 West Lake Mary Blvd\nAddress: # 953459\nCity: Lake MAry\nStateProv: FL\nPostalCode: 32795\nCountry: US\nRegDate: 2021-08-12\nUpdated: 2021-09-10\nRef: https://rdap.arin.net/registry/entity/HBAL-2\n\n\nOrgTechHandle: NETWO9525-ARIN\nOrgTechName: Network Operations\nOrgTechPhone: +1-321-799-6005 \nOrgTechEmail: [email protected]\nOrgTechRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nOrgRoutingHandle: NETWO9525-ARIN\nOrgRoutingName: Network Operations\nOrgRoutingPhone: +1-321-799-6005 \nOrgRoutingEmail: [email protected]\nOrgRoutingRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nOrgNOCHandle: NETWO9525-ARIN\nOrgNOCName: Network Operations\nOrgNOCPhone: +1-321-799-6005 \nOrgNOCEmail: [email protected]\nOrgNOCRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nOrgAbuseHandle: NETWO9525-ARIN\nOrgAbuseName: Network Operations\nOrgAbusePhone: +1-321-799-6005 \nOrgAbuseEmail: [email protected]\nOrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nOrgDNSHandle: NETWO9525-ARIN\nOrgDNSName: Network Operations\nOrgDNSPhone: +1-321-799-6005 \nOrgDNSEmail: [email protected]\nOrgDNSRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nRTechHandle: NETWO9525-ARIN\nRTechName: Network Operations\nRTechPhone: +1-321-799-6005 \nRTechEmail: [email protected]\nRTechRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nRAbuseHandle: NETWO9525-ARIN\nRAbuseName: Network Operations\nRAbusePhone: +1-321-799-6005 \nRAbuseEmail: [email protected]\nRAbuseRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\nRNOCHandle: NETWO9525-ARIN\nRNOCName: Network Operations\nRNOCPhone: +1-321-799-6005 \nRNOCEmail: [email protected]\nRNOCRef: https://rdap.arin.net/registry/entity/NETWO9525-ARIN\n\n\n#\n# ARIN WHOIS data and services are subject to the Terms of Use\n# available at: https://www.arin.net/resources/registry/whois/tou/\n#\n# If you see inaccuracies in the results, please report at\n# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/\n#\n# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.\n#\n",
"peers": [
{
"asNumber": "AS14537",
"description": "Continent 8 LLC",
"country": "US"
},
{
"asNumber": "AS174",
"description": "Cogent Communications, LLC",
"country": "US"
},
{
"asNumber": "AS8674",
"description": "Netnod AB",
"country": "SE"
},
{
"asNumber": "AS24482",
"description": "SG.GS",
"country": "SG"
},
{
"asNumber": "AS6939",
"description": "Hurricane Electric LLC",
"country": "US"
},
{
"asNumber": "AS7018",
"description": "AT&T Enterprises, LLC",
"country": "US"
},
{
"asNumber": "AS835",
"description": "GoCodeIT Inc",
"country": "CA"
},
{
"asNumber": "AS7195",
"description": "EDGEUNO S.A.S",
"country": "CO"
},
{
"asNumber": "AS137409",
"description": "GSL Networks Pty LTD",
"country": "AU"
},
{
"asNumber": "AS399337",
"description": "Netcrawler Inc",
"country": "CA"
},
{
"asNumber": "AS36236",
"description": "NetActuate, Inc",
"country": "US"
},
{
"asNumber": "AS6057",
"description": "Administracion Nacional de Telecomunicaciones",
"country": "UY"
},
{
"asNumber": "AS35280",
"description": "F5 Networks SARL",
"country": "FR"
},
{
"asNumber": "AS49544",
"description": "i3D.net B.V",
"country": "NL"
},
{
"asNumber": "AS20144",
"description": "ICANN",
"country": "US"
},
{
"asNumber": "AS1828",
"description": "Unitas Global",
"country": "US"
},
{
"asNumber": "AS23352",
"description": "DEFT.COM",
"country": "US"
},
{
"asNumber": "AS4181",
"description": "TDS TELECOM",
"country": "US"
},
{
"asNumber": "AS18678",
"description": "INTERNEXA S.A. E.S.P",
"country": "CO"
},
{
"asNumber": "AS5650",
"description": "Frontier Communications of America, Inc.",
"country": "US"
},
{
"asNumber": "AS60171",
"description": "AFR-IX TELECOM S.A.",
"country": "ES"
},
{
"asNumber": "AS45701",
"description": "PT. Internet Madju Abad Millenindo",
"country": "ID"
},
{
"asNumber": "AS37721",
"description": "Virtual Technologies & Solutions",
"country": "BF"
},
{
"asNumber": "AS52320",
"description": "GlobeNet Cabos Submarinos Colombia, S.A.S.",
"country": "CO"
},
{
"asNumber": "AS21559",
"description": "OSNET",
"country": "PR"
},
{
"asNumber": "AS4826",
"description": "VOCUS PTY LTD",
"country": "AU"
},
{
"asNumber": "AS19009",
"description": "OneCleveland",
"country": "US"
},
{
"asNumber": "AS2914",
"description": "NTT America, Inc.",
"country": "US"
},
{
"asNumber": "AS3737",
"description": "PenTeleData Inc.",
"country": "US"
},
{
"asNumber": "AS4826",
"description": "Vocus Connect International Backbone",
"country": "AU"
},
{
"asNumber": "AS37468",
"description": "Angola Cables",
"country": "AO"
},
{
"asNumber": "AS13786",
"description": "Seabras 1 USA, LLC",
"country": "US"
},
{
"asNumber": "AS60171",
"description": "AFR IX TELECOM S.A.",
"country": "ES"
}
],
"upstreams": [
{
"asNumber": "AS4826",
"description": "VOCUS PTY LTD",
"country": "AU"
},
{
"asNumber": "AS23352",
"description": "DEFT.COM",
"country": "US"
},
{
"asNumber": "AS137409",
"description": "GSL Networks Pty LTD",
"country": "AU"
},
{
"asNumber": "AS5650",
"description": "Frontier Communications of America, Inc.",
"country": "US"
},
{
"asNumber": "AS174",
"description": "Cogent Communications, LLC",
"country": "US"
},
{
"asNumber": "AS6057",
"description": "Administracion Nacional de Telecomunicaciones",
"country": "UY"
},
{
"asNumber": "AS2914",
"description": "NTT America, Inc.",
"country": "US"
},
{
"asNumber": "AS6939",
"description": "Hurricane Electric LLC",
"country": "US"
},
{
"asNumber": "AS7018",
"description": "AT&T Enterprises, LLC",
"country": "US"
},
{
"asNumber": "AS37468",
"description": "Angola Cables",
"country": "AO"
},
{
"asNumber": "AS60171",
"description": "AFR IX TELECOM S.A.",
"country": "ES"
}
],
"downstreams": [
{
"asNumber": "AS20144",
"description": "ICANN",
"country": "US"
}
],
"bgpWhois": "",
"numOfIPv4Routes": "4",
"numOfIPv6Routes": "1",
"legacyRoutes": [],
"dateAllocated": "2021-09-14T00:00",
"allContacts": [
"[email protected]"
]
}
]- 1528+TLDs
- 693M+Active Domains
- 884M+Domains Tracked
- 3619M+WHOIS Records
- 5002M+Host Names
- 14B+DNS Records
Products
ASN WHOIS Database
The ASN WHOIS Database offers organized, normalized data, separating contact, ownership, and ASN information into distinct objects within a single JSON file. It is updated daily and standardized across all RIRs (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC).
Features
Extensive ASN Listings
Detailed Organization Info
IP Range Associations
API Access
Features
What ASN WHOIS Database Solution Provides
Your WHOIS Source for Ownership, History, and Network Insights
Extensive ASN Listings
Access a wide range of ASNs from around the world to study the global internet backbone and interconnection patterns.
Detailed Organization Info
Retrieve operational and contact details for AS holders, supporting verification, coordination, and network planning efforts.
IP Range Associations
View which IP blocks are associated with specific ASNs, helping define ownership, network scope, and routing boundaries.
API Access
Connect ASN data with your tools via API for seamless integration, automation, and network management capabilities.
Products
Tailored ASN Data Solutions
Customized ASN database solutions designed to fit your unique network needs.
Tailored ASN Data Solutions
Custom ASN datasets by country, company, or criteria, complete with ownership, contact, and routing intelligence. Delivered daily in timely, standardized feeds to help you stay ahead with comprehensive ASN insights.
Use Cases
ASN Data Solutions in Action
Explore ASN data use cases, from routing to incident response.
Network Mapping
Analyze ASN interconnections to map global internet topology, enhancing visibility, planning, and optimized traffic flow.
Routing Optimization
Optimize traffic flow and connectivity by analyzing ASN routing paths and policies to improve latency, efficiency, and performance.
Peering Agreements
Identify ASN partners for peering to expand reach, cut transit costs, improve routing efficiency, and strengthen ISP negotiations.
Security Analysis
Monitor ASN routing to detect anomalies, hijacking, leaks, and spoofing, enhancing early threat detection and network security.
Market Analysis
Evaluate ASN distribution to gauge ISP presence, track infrastructure trends, and guide expansion, investment, and competitiveness.
Academic Research
Leverage ASN data to study internet evolution, analyze network behavior, and support research in protocols, topology, and connectivity.
Unlock ASN WHOIS insights to optimize routing, strengthen security, cut transit costs, and drive smarter network expansion.
Documentation
ASN Whois Snapshot
Download daily ASN snapshots as JSON‑gzipped files by specifying the date. Each snapshot contains routes, network details, contacts, peers, streams, and raw WHOIS responses in a structured format.
Authorization
You can make authorized requests to our API by passing API key as a query parameter. To get your API key, login to our billing dashboard and get your API key! If your API key has been compromised, you can change it by clicking on reset button in billing dashboard.
Query Parameters
Required
- apiKeyGet your API key from our billing dashboard.
- dateGet a snapshot for a specific day by specifying the date parameter in yyyy‑MM‑dd format (e.g., 2026‑01‑26).
Request
SHELL
Loading request...
Response
Loading response...
Status Codes
Success Codes
- 200Â Â Request is processed successfully.
Failure Codes
- 400Â Â Please pass apiKey param value.
- 400Â Â Please provide the date parameter
- 400Â Â Invalid date parameter
- 400Â Â Provided date is too old.
- 401Â Â Api record not found.
- 401Â Â Provided API key is inactive.
- 401Â Â Please buy database subscription.
- 401Â Â Your database subscription plan is inactive.
- 401Â Â You cannot download file.
- 401Â Â Your account is deactivated.
- 401Â Â You are blocked due to suspicious activity.
- 401Â Â You have exceeded the download limit of 20000.
- 401Â Â Suspicious Activity.
- 404Â Â File is not available of this date.
- 404Â Â Resources are not available of this date.
- 413Â Â Please upgrade your plans.
ASN WHOIS Snapshot Status
Use the endpoint to retrieve details of the latest ASN WHOIS snapshot. The JSON output includes the snapshot name, creation date, and expected deletion date.
Authorization
You can make authorized requests to our API by passing API key as a query parameter. To get your API key, login to our billing dashboard and get your API key! If your API key has been compromised, you can change it by clicking on reset button in billing dashboard.
Query Parameters
Required
- apiKeyGet your API key from our billing dashboard.
Request
SHELL
Loading request...
Response
Loading response...
Status Codes
Success Codes
- 200Â Â Request is processed successfully.
Failure Codes
- 400Â Â Please pass apiKey param value.
- 401Â Â Api record not found.
- 401Â Â Provided API key is inactive.
- 401Â Â You cannot download file.
- 401Â Â Your account is deactivated.
- 401Â Â You have exceeded the download limit of 20000.
- 401Â Â Suspicious Activity.
- 413Â Â Please upgrade your plans.
FAQs
Enhance your apps with industry leading web scraping and crawling.
What is an ASN WHOIS Database?
An ASN (Autonomous System Number) WHOIS database is a publicly accessible resource that provides detailed information about Autonomous Systems (AS). An Autonomous System is a collection of IP networks operated by one or more network operators that present a common, clearly defined routing policy to the internet. The ASN WHOIS database includes data such as the AS number, the organization to which it is allocated, contact information, and associated IP address ranges. This information is vital for understanding internet routing structures, managing network interconnections, and conducting research on internet topology.
What data is included in the ASN WHOIS Database?
The ASN WHOIS Database includes Autonomous System Numbers along with their registered organization names, country codes, registration status, allocation dates, and associated IP address ranges. Depending on the record, it may also include administrative and technical contact details sourced from regional internet registries.
How often is the ASN WHOIS Database updated?
The database is regularly updated to reflect new ASN allocations, changes in ownership, routing updates, and record modifications published by the RIRs. Update frequency depends on the selected plan and data delivery method.
How can this database help with cybersecurity and threat analysis?
By mapping IP addresses to their originating Autonomous Systems, security teams can identify suspicious networks, analyze attack sources, track malicious traffic patterns, and improve incident response. ASN data is often used in threat intelligence and network monitoring systems.
In what formats is the ASN WHOIS Database available?
The database is typically available in structured formats such as CSV, JSON, or SQL-compatible files, making it easy to import into databases, analytics tools, or custom applications.
How accurate is the ASN WHOIS data?
The data reflects official records published by Regional Internet Registries. While it is highly reliable, accuracy depends on how promptly organizations update their registration details with the RIRs.
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