AS131919 Meiji University 🇯🇵 JP
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
131,072 (512 × /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
- AS131919
- Name
- Meiji University
- Organisation
- Meiji University
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2011-08-04
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 |
|---|---|---|---|---|
| 133.26.0.0/16 v4 | no ROA | 42 | 70182497131919 | 2026-09-18 |
| 133.26.0.0/17 v4 | no ROA | 43 | 380012907131919 | 2026-09-18 |
| 133.26.128.0/17 v4 | no ROA | 43 | 380012907131919 | 2026-09-18 |