AS18087 Toyo University 🇯🇵 JP
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
135,168 (528 × /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
- AS18087
- Name
- Toyo University
- Organisation
- Toyo 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
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 133.79.0.0/16 v4 | no ROA | 41 | 24482251918087 | 2026-09-18 |
| 133.79.0.0/17 v4 | no ROA | 43 | 38001290718087 | 2026-09-18 |
| 133.79.128.0/17 v4 | no ROA | 43 | 38001290718087 | 2026-09-18 |
| 133.79.192.0/20 v4 | no ROA | 43 | 38001290718087 | 2026-09-18 |
| 2001:df7:5600::/48 v6 | no ROA | 32 | 38001290718087 | 2026-09-18 |