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Access detailed IP ownership information with theIP WHOIS Lookup API

Instantly retrieve registry, ownership, routing, and abuse contact details for any IP address using the IP WHOIS API to gain complete visibility into network allocations.

1[
2  {
3    "range": "1.0.0.0-1.255.255.255",
4    "name": "APNIC-AP",
5    "country": "AU",
6    "domain": "apnic.net",
7    "rir": "apnic",
8    "org": {
9      "handle": "org-apni3-ap",
10      "name": "Asia Pacific Network Information Center, Pty. Ltd.",
11      "type": "rir",
12      "address": "Level 1 - 33 Park Road, Australia",
13      "country": "AU",
14      "email": "[email protected]",
15      "phone": "",
16      "fax": "",
17      "date_updated": "2023-09-05T13:05:31",
18      "source": "apnic"
19    },
20    "admin": [
21      {
22        "handle": "hm20-ap",
23        "name": "APNIC Hostmaster",
24        "country": "AU",
25        "email": "[email protected]",
26        "phone": "+61 7 3858 3100",
27        "fax": "+61 7 3858 3199",
28        "address": "6 Cordelia Street, South Brisbane, QLD 4101, Australia",
29        "date_updated": "2013-10-23T04:06:51",
30        "source": "APNIC"
31      }
32    ],
33    "tech": [
34      {
35        "handle": "no4-ap",
36        "name": "APNIC Network Operations",
37        "country": "AU",
38        "email": "[email protected]",
39        "phone": "+61 7 3858 3100",
40        "fax": "+61 7 3858 3199",
41        "address": "6 Cordelia Street, South Brisbane, QLD 4101, Australia",
42        "date_updated": "2023-11-29T22:50:07",
43        "source": "APNIC"
44      }
45    ],
46    "abuse": [
47      {
48        "handle": "aa1452-ap",
49        "name": "ABUSE APNICAP",
50        "country": "ZZ",
51        "email": "[email protected]",
52        "phone": "+000000000",
53        "fax": "",
54        "address": "Brisbane, Australia, ZZ",
55        "date_updated": "2025-11-28T01:00:58",
56        "source": "APNIC"
57      }
58    ],
59    "irt": [
60      {
61        "handle": "IRT-ENTITY",
62        "name": "IRT-APNIC-AP",
63        "country": "",
64        "email": "[email protected]",
65        "phone": "",
66        "fax": "",
67        "address": "Brisbane, Australia",
68        "date_updated": "2025-11-18T00:26:21",
69        "source": "APNIC"
70      }
71    ],
72    "bgp": null,
73    "raw_whois": "% [whois.apnic.net]\n% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html\n\n% Information related to '1.0.0.0 - 1.255.255.255'\n\n% Abuse contact for '1.0.0.0 - 1.255.255.255' is '[email protected]'\n\ninetnum:        1.0.0.0 - 1.255.255.255\nnetname:        APNIC-AP\ndescr:          Asia Pacific Network Information Centre\ndescr:          Regional Internet Registry for the Asia-Pacific Region\ndescr:          6 Cordelia Street\ndescr:          PO Box 3646\ndescr:          South Brisbane, QLD 4101\ndescr:          Australia\ncountry:        AU\norg:            ORG-APNI3-AP\nadmin-c:        HM20-AP\ntech-c:         NO4-AP\nabuse-c:        AA1452-AP\nstatus:         ALLOCATED PORTABLE\nmnt-by:         APNIC-HM\nmnt-lower:      APNIC-HM\nmnt-irt:        IRT-APNIC-AP\nlast-modified:  2023-09-05T01:46:01Z\nsource:         APNIC\n\nirt:            IRT-APNIC-AP\naddress:        Brisbane, Australia\ne-mail:         [email protected]\nabuse-mailbox:  [email protected]\nadmin-c:        HM20-AP\ntech-c:         NO4-AP\nremarks:        APNIC is a Regional Internet Registry.\nremarks:        We do not operate the referring network and\nremarks:        are unable to investigate complaints of network abuse.\nremarks:        For information about IRT, see www.apnic.net/irt\nremarks:        [email protected] was validated on 2020-02-03\nauth:           # Filtered\nmnt-by:         APNIC-HM\nlast-modified:  2025-11-18T00:26:21Z\nsource:         APNIC\n\norganisation:   ORG-APNI3-AP\norg-name:       Asia Pacific Network Information Center, Pty. Ltd.\norg-type:       RIR\ncountry:        AU\naddress:        Level 1 - 33 Park Road\ne-mail:         [email protected]\nmnt-ref:        APNIC-HM\nmnt-by:         APNIC-HM\nlast-modified:  2023-09-05T13:05:31Z\nsource:         APNIC\n\nrole:           ABUSE APNICAP\ncountry:        ZZ\naddress:        Brisbane, Australia\nphone:          +000000000\ne-mail:         [email protected]\nadmin-c:        HM20-AP\ntech-c:         NO4-AP\nnic-hdl:        AA1452-AP\nremarks:        Generated from irt object IRT-APNIC-AP\nremarks:        [email protected] was validated on 2020-02-03\nabuse-mailbox:  [email protected]\nmnt-by:         APNIC-ABUSE\nlast-modified:  2025-11-28T01:00:58Z\nsource:         APNIC\n\nrole:           APNIC Hostmaster\naddress:        6 Cordelia Street\naddress:        South Brisbane\naddress:        QLD 4101\ncountry:        AU\nphone:          +61 7 3858 3100\nfax-no:         +61 7 3858 3199\ne-mail:         [email protected]\nadmin-c:        AMS11-AP\ntech-c:         AH256-AP\nnic-hdl:        HM20-AP\nremarks:        Administrator for APNIC\nnotify:         [email protected]\nmnt-by:         MAINT-APNIC-AP\nlast-modified:  2013-10-23T04:06:51Z\nsource:         APNIC\n\nperson:         APNIC Network Operations\naddress:        6 Cordelia Street\naddress:        South Brisbane\naddress:        QLD 4101\ncountry:        AU\nphone:          +61 7 3858 3100\nfax-no:         +61 7 3858 3199\ne-mail:         [email protected]\nnic-hdl:        NO4-AP\nremarks:        Administrator for APNIC Network Operations\nnotify:         [email protected]\nmnt-by:         MAINT-APNIC-AP\nlast-modified:  2023-11-29T22:50:07Z\nsource:         APNIC\n\n% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)\n\n",
74    "date_created": null,
75    "date_updated": "2023-09-05T01:46:01"
76  }
77]
pricing backgroundEclipse Top RightEclipse Top LeftEclipse WHOIS Stats
1528+
TLDs
693M+
Active Domains
883M+
Domains Tracked
3602M+
WHOIS Records
5001M+
Host Names
14B+
DNS Records

Product

IP WhoisAPI
Identify the owner and origin of suspicious IP addresses using WHOIS IP Lookup to investigate cyber threats.
IP Whois Lookup API

Use the IP WHOIS Lookup API to access comprehensive IP ownership details, including ranges, network information, routes, ASN data, and administrative, abuse, and organizational contacts. The WHOIS IP API delivers results in both JSON and XML formats for seamless integration.

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Features

WhatIP Whois APIProvide

Integrate the IP WHOIS API into your system to identify networks in real time.

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Real Time Data

Access real-time IP data, including ownership, routing, and contact details, with a single API request using IP WHOIS Lookup.

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Global RIR Coverage

The IP WHOIS API provides coverage of all Regional Internet Registries, including RIPE, ARIN, APNIC, AFRINIC, and LACNIC.

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IP Routes and Abuse Contacts

The IP WHOIS Lookup API delivers real-time routing details and abuse contact information for IPs in a structured format.

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Supported Formats

The IP WHOIS API provides structured IP WHOIS details in multiple formats, including JSON and XML.

Product

IP WhoisDatabase
Access the IP WHOIS Database for in-depth network analysis.
IP Whois Database

The IP WHOIS Database provides complete snapshots containing around 11.2 million entries. Each snapshot takes 3–4 days to prepare and is available in multiple formats, including CSV and MaxMind (MMDB). IP WHOIS snapshots cover all Regional Internet Registries.

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Use Cases

IP WHOIS API in Action

Real-world applications of IP WHOIS for security and analysis.

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Network Troubleshooting

Resolve network issues faster by identifying IP ownership and contacts through IP WHOIS Lookup.

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Cybersecurity Threat Detection

Use IP Whois Lookup to trace malicious IPs, identify their sources, and uncover context behind suspicious activity.

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Regulatory Compliance

Use WHOIS IP API to verify IP allocations, ensure compliance, and keep accurate records for audits and investigations.

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Abuse Management

WHOIS IP API identifies and contacts parties behind abusive IPs, ensuring quick resolution, compliance, and network trust.

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Market Research

WHOIS IP Lookup analyzes regional IP distribution to reveal trends, opportunities, and guide market expansion.

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IP Route Validation

IP WHOIS Lookup checks IP route ownership and AS details to detect hijacks and ensure secure network operations.

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Resolve issues faster, stop malicious IPs, validate routes, ensure compliance, and unlock market insights—all with WHOIS IP API.

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Documentation

IP Whois API Lookup

The IP WHOIS API provides detailed IP address information, including registration data, organization details, administrative, technical, and abuse contacts, as well as routing and network information, all returned in well‑structured JSON or XML 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
  • apiKey
    Get your API key from our billing dashboard.
  • ip
    IPv4 or IPv6 address for the requested whois.
Optional
  • format
    Two formats are available JSON, XML. If you don't specify the 'format' parameter, the default format will be JSON.

Request

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SHELL
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Response

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Status Codes

Success Codes
  • 200Request is processed successfully.
  • 206Partial response, as an error occurred while processing the request.
Failure Codes
  • 400Request-param 'ip' (<ip>) is not valid.
  • 400Request-param 'format' (<format>) is not valid. Supported formats are json, xml.
  • 401Provided API key is invalid.
  • 401Provided API key is inactive.
  • 401Please buy a subscription plan or add api credits, then use this api key.
  • 401Your subscription is deactivated. Please buy new plan or add api credits for using whoisfreaks APIs.
  • 401Your subscription is deactivated due to much time payment failure. Please buy a new plan or add api credits for using whoisfreaks APIs.
  • 401Your account is deactivated.
  • 401You are blocked due to suspicious activity.
  • 408Unable to fetch whois data. Please try again.
  • 412You have exceeded the limit of api plan requests and your subscription is canceled.
  • 413You have exceeded the limit of api credits requests [allowed_request_no]. Please upgrade your plan.
  • 413You have exceeded the limit of Surcharge Requests [allowed_surcharge_request_no]. Please upgrade your plan.
  • 429Please slow down. Your maximum request limit per minute is reached.
  • 500Internal Server error occurred.
  • 503Service is unavailable. Please try after some time.
  • 504Request is timed-out.
FAQs
Enhance your apps with industry leading web scraping and crawling.
What is IP Whois Lookup?
IP WHOIS Lookup provides real‑time ownership details of IP addresses, identifying the organizations or parties responsible for them.
Can we integrate IP WHOIS Lookup into our system?
Yes. We provide API support with rich data fields available in JSON and XML formats, making integration seamless and efficient.