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
PeeringDB
net/8191
Exchanges
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

3 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
2400:f400::/32 v6 RPKI valid 38 693924278 2026-09-18