Data as of Nov 15, 2026

210.121.221.0/24

No anonymizer space · no proxy exits in 30 days

flexnetworks · space held by Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.121.128.0/17
since May 2005
AS4766Residential92
8 always on
Korea Telecom

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Apr 2015
Current origin since
Apr 2015 · 12 yr
Origin networks
1