Autonomous System Number (ASN)173
Organization NameNippon Telegraph and Telephone Corporation
Org Handleorg-ntat1-ap
CountryJP
TypeISP
HostAPNIC
Total IPv4 Routes2
Total IPv6 Routes0
Route Objects(Total 2 records)
OriginAS173
Origin NameNippon Telegraph and Telephone Corporation
ISPNippon Telegraph and Telephone Corporation
Number of IPs512
OriginAS173
Origin NameNippon Telegraph and Telephone Corporation
ISPNippon Telegraph and Telephone Corporation
Number of IPs8192
Down Streams(Total 1 records)
OriginNippon Telegraph and Telephone Corporation
CountryJP
Up Streams(Total 5 records)
OriginSAKURA Internet Inc.
CountryJP
OriginINTERNET MULTIFEED CO.
CountryJP
OriginHurricane Electric LLC
CountryUS
Peers(Total 18 records)
OriginNippon Telegraph and Telephone Corporation
CountryJP
OriginSri Lanka Telecom Ltd
CountryLK
Contacts
Whois Response
Statustrue
Whois Serverwhois.apnic.net
Aut Numbers
Aut NumberAS173
AS NameNTTECL-AS
CountryJP
Description
Nippon Telegraph and Telephone Corporation
OrganizationORG-NTAT1-AP
Admin Contacts
TF79-AP
Tech Contacts
TF79-AP
Abuse Contacts
AN845-AP
Maintained IRT
IRT-NTTECL-JP
Maintained Lower
MAINT-JP-NTTECL-JP
Maintained Routes
MAINT-JP-NTTECL-JP
Maintained By
APNIC-HM
Date Updated2023-01-11
SourceAPNIC
IRT Details
IRT HandleIRT-NTTECL-JP
IRT Address
3-9-11 Midori-cho, Musashino-shi, Tokyo, Japan
IRT StreetMidori-cho
IRT CityMusashino-shi
IRT StateTOKYO
Organization Details
TypeLIR
HandleORG-NTAT1-AP
NameNippon Telegraph and Telephone Corporation
Address
3-9-11 Midori-cho Musashino-shi
Email
it-pb@ml.ntt.com
Phone
+81-422-59-2725
Fax No
+81-422-59-5637
Maintained By
APNIC-HM
Maintained Ref
APNIC-HM
Country
JP
Date Updated2023-09-05
SourceAPNIC
Administrative Contacts
HandleTF79-AP
NameTomohiro Fujisaki
CountryJP
Address
3-9-11 Midori-sho, Musashino-shi, Tokyo, Japan
Email
fujisaki@venus.gr.jp
Phone
+81-422-59-7351
Fax
+81-422-59-5652
Maintained By
MAINT-JP-NTTECL-JP
Date Updated2022-07-21
SourceAPNIC
Technical Contacts
HandleTF79-AP
NameTomohiro Fujisaki
CountryJP
Address
3-9-11 Midori-sho, Musashino-shi, Tokyo, Japan
Email
fujisaki@venus.gr.jp
Phone
+81-422-59-7351
Fax
+81-422-59-5652
Maintained By
MAINT-JP-NTTECL-JP
Date Updated2022-07-21
SourceAPNIC
Abuse Contacts
HandleAN845-AP
NameABUSE NTTECLJP
CountryZZ
Address
3-9-11 Midori-cho, Musashino-shi, Tokyo, Japan
Email
rd-it-helpdesk@ml.ntt.com
Abuse Mailbox
rd-it-helpdesk@ml.ntt.com
Phone
+000000000
Admin Contacts
TF79-AP
Tech Contacts
TF79-AP
Remarks
Generated from irt object IRT-NTTECL-JP
rd-it-helpdesk@ml.ntt.com was validated on 2026-02-26
Maintained By
APNIC-ABUSE
Date Updated2026-02-26
SourceAPNIC
