AS173 Nippon Telegraph and Telephone Corporation 🇯🇵 JP
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
8,704 (34 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS173
- Name
- Nippon Telegraph and Telephone Corporation
- Organisation
- NTT Network Innovation Laboratories
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2002-08-01
- Network type
- Educational/Research
- Traffic levels
- 20-100Mbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-MAPOS
- PeeringDB
- net/7022
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
aut-num: AS173 as-name: NTTECL-AS descr: Nippon Telegraph and Telephone Corporation country: JP org: ORG-NTAT1-AP admin-c: TF79-AP tech-c: TF79-AP abuse-c: AN845-AP mnt-lower: MAINT-JP-NTTECL-JP mnt-routes: MAINT-JP-NTTECL-JP mnt-by: APNIC-HM mnt-irt: IRT-NTTECL-JP last-modified: 2023-01-11T04:52:30Z source: APNIC irt: IRT-NTTECL-JP address: 3-9-11 Midori-cho, Musashino-shi, Tokyo, Japan e-mail: rd-it-helpdesk@ml.ntt.com abuse-mailbox: rd-it-helpdesk@ml.ntt.com admin-c: TF79-AP tech-c: TF79-AP auth: # Filtered remarks: rd-it-helpdesk@ml.ntt.com is invalid mnt-by: MAINT-JP-NTTECL-JP last-modified: 2026-09-16T13:09:27Z source: APNIC organisation: ORG-NTAT1-AP org-name: Nippon Telegraph and Telephone Corporation org-type: LIR country: JP address: 3-9-11 Midori-cho Musashino-shi phone: +81-422-59-2725 fax-no: +81-422-59-5637 e-mail: it-pb@ml.ntt.com mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:14:59Z source: APNIC role: ABUSE NTTECLJP country: ZZ address: 3-9-11 Midori-cho, Musashino-shi, Tokyo, Japan phone: +000000000 e-mail: rd-it-helpdesk@ml.ntt.com admin-c: TF79-AP tech-c: TF79-AP nic-hdl: AN845-AP remarks: Generated from irt object IRT-NTTECL-JP remarks: rd-it-helpdesk@ml.ntt.com is invalid abuse-mailbox: rd-it-helpdesk@ml.ntt.com mnt-by: APNIC-ABUSE last-modified: 2026-09-16T13:11:24Z source: APNIC person: Tomohiro Fujisaki nic-hdl: TF79-AP e-mail: fujisaki@venus.gr.jp address: 3-9-11 Midori-sho, Musashino-shi, Tokyo, Japan phone: +81-422-59-7351 fax-no: +81-422-59-5652 country: JP mnt-by: MAINT-JP-NTTECL-JP last-modified: 2022-07-21T13:05:18Z source: APNIC