Data as of Nov 14, 2026

133.254.131.0/24

No anonymizer space · no proxy exits in 30 days

Internet Initiative Japan Inc. · space held by Japan Network Information Center

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
133.254.0.0/16
since May 2005
AS2497Internet providerJapan Network Information Center

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2020
Current origin since
Mar 2020 · 6.7 yr
Origin networks
1