AS24278 USEN CORPORATION 🇯🇵 JP
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
20,480 (80 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS24278
- Name
- USEN CORPORATION
- Organisation
- USEN CORPORATION
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2004-10-19
- Network type
- Content
- Scope
- Regional
- Peering policy
- Selective
- IRR as-set
- AS-USEN-NET
- Website
- http://www.usen.com/
- PeeringDB
- net/8191
- Exchanges
- 1
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 |
|---|---|---|---|---|
| 118.238.128.0/18 v4 | RPKI valid | 42 | 3800124278 | 2026-09-18 |
| 125.63.32.0/20 v4 | RPKI valid | 42 | 3800124278 | 2026-09-18 |