AS18091 Teikyo University 🇯🇵 JP
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
2,048 (8 × /24)
IPv6 prefixes
0
-
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
- AS18091
- Name
- Teikyo University
- Organisation
- Teikyo University
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2001-12-27
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 |
|---|---|---|---|---|
| 202.253.108.0/22 v4 | no ROA | 41 | 7018249718091 | 2026-09-18 |
| 202.253.108.0/23 v4 | no ROA | 42 | 38001290718091 | 2026-09-18 |
| 202.253.110.0/23 v4 | no ROA | 42 | 38001290718091 | 2026-09-18 |