Data as of Nov 9, 2026
Autonomous system

AS17576

National Research Foundation of Korea

Announces 512 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
KR

Announced prefixes

Arrived
PrefixTypeHolderRPKI
203.253.232.0/24
since Mar 2012
Business
221.158.73.0/24
since May 2005
BusinessKorea Telecom

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it