AS2511 Nippon Telegraph and Telephone Corporation 🇯🇵 JP
NTT Software Innovation Center. Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
41,728 (163 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS2511
- Name
- Nippon Telegraph and Telephone Corporation
- Organisation
- NTT Software Innovation Center
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2002-04-05
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 163.138.0.0/17 v4 | RPKI valid | 40 | 176391732511 | 2026-09-18 |
| 163.138.128.0/19 v4 | RPKI valid | 40 | 176391732511 | 2026-09-18 |
| 192.5.216.0/24 v4 | RPKI valid | 39 | 176391732511 | 2026-09-18 |
| 192.26.94.0/24 v4 | RPKI valid | 39 | 176391732511 | 2026-09-18 |
| 192.47.167.0/24 v4 | RPKI valid | 39 | 176391732511 | 2026-09-18 |