Data as of Nov 9, 2026

121.128.219.0/24

No anonymizer space · no proxy exits in 30 days

Seoul Metropolitan Government · 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
121.128.0.0/13
since Dec 2009
AS4766Residential3,528
172 always on
Korea Telecom
121.128.0.0/12
since Sep 2009
AS4766Residential7,178
348 always on
Korea Telecom
121.128.0.0/11
since Apr 2006
AS4766Residential14,233
635 always on
Korea Telecom

Network & registry

Origin network

AS9647

KR
Name
Seoul Metropolitan Government
Type
Business
Registered
Aug 18, 1999
Domain
seoul.go.kr
Industry
Government and Public Administration
Spamhaus ASN-DROP
not listed