AS131158 Nara Institute of Science and Technology, National University Corporation 🇯🇵 JP
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
66,048 (258 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
2
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
- AS131158
- Name
- Nara Institute of Science and Technology, National University Corporation
- Organisation
- Nara Institute of Science and Technology, National University Corporation
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2008-10-03
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 163.221.0.0/16 v4 | RPKI valid | 43 | 176392907131158 | 2026-09-18 |
| 192.218.128.0/23 v4 | RPKI valid | 42 | 176392907131158 | 2026-09-18 |
| 2001:df3:540::/48 v6 | RPKI valid | 33 | 380012907131158 | 2026-09-18 |