AS23781 Toyama University 🇯🇵 JP
National University Corporation, Toyama University. Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
72,704 (284 × /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
- AS23781
- Name
- Toyama University
- Organisation
- National University Corporation, Toyama University
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2003-06-16
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 160.26.0.0/16 v4 | no ROA | 44 | 17639290723781 | 2026-09-18 |
| 202.240.244.0/22 v4 | no ROA | 43 | 17639290723781 | 2026-09-18 |
| 202.251.144.0/20 v4 | no ROA | 44 | 17639290723781 | 2026-09-18 |
| 202.254.200.0/21 v4 | no ROA | 44 | 17639290723781 | 2026-09-18 |