Data as of Nov 12, 2026

218.147.40.0/24

No anonymizer space · no proxy exits in 30 days

University of Ulsan · space held by Korea Telecom

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
218.144.0.0/13
since Dec 2009
AS4766Residential3,285
118 always on
Korea Telecom
218.144.0.0/12
since May 2005
AS4766Residential6,701
224 always on

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jan 2017
Current origin since
Jan 2017 · 9.8 yr
Origin networks
1