AS4730 Osaka University 🇯🇵 JP
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
67,584 (264 × /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
- AS4730
- Name
- Osaka University
- Organisation
- Osaka University
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 1995-08-30
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 133.1.0.0/16 v4 | no ROA | 43 | 3800129074730 | 2026-09-18 |
| 192.50.0.0/21 v4 | no ROA | 43 | 3800129074730 | 2026-09-18 |