Data as of Nov 6, 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
AS4766Residential2,791
167 always on
Korea Telecom
218.144.0.0/12
since May 2005
AS4766Residential5,758
298 always on

Network & registry

Origin network

AS55618

KR
Name
University of Ulsan
Type
Education
Registered
Jul 21, 2010
Domain
ulsan.ac.kr
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed