Data as of Nov 9, 2026
Autonomous system

AS45393

SFS

Announces 2,048 addresses in 8 prefixes. None of it is anonymizer space.

Type
Education
KR

Announced prefixes

Arrived
PrefixTypeHolderRPKI
58.102.100.0/24
since Jul 2009
BusinessSK Telecom
58.102.101.0/24
since Jul 2009
BusinessSK Telecom
58.102.102.0/24
since Jul 2009
BusinessSK Telecom
58.102.103.0/24
since Jul 2009
BusinessSK Telecom
211.63.20.0/24
since Jul 2009
BusinessSK Broadband Co Ltd
222.110.7.0/24
since Jul 2009
BusinessKorea Telecom
222.110.8.0/24
since Jul 2009
BusinessKorea Telecom
222.110.9.0/24
since Jul 2009
BusinessKorea Telecom

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it