AS55586 THE CATHOLIC UNIVERSITY OF KOREA SONGSIM

CATHOLIC-AS-KR-KR - THE CATHOLIC UNIVERSITY OF KOREA SONGSIM · registered in South Korea

IPv4 addresses4,6089 prefixes · <0.001% of announced IPv4

Rank in South Korea#306largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#14,434of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS55586 in ASN lookup Look up an IP in this network (1.224.172.1) All networks in South Korea

IPv4 prefixes

All 9 prefixes, in address order.

1.224.172.0/22
175.119.39.0/24
175.119.40.0/24
203.229.205.0/24
203.229.206.0/23
210.126.48.0/23
211.222.56.0/22
220.68.29.0/24
220.68.30.0/23

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS9959#303 KOREASTOCKEXCHANGE-AS-KR - KOREA STOCK EXCHANGE4,608

AS18341#304 GUMI-AS-KR-KR - Gumi College4,608

AS38688#305 WISEN-AS-KR-KR - GSNeotek4,608

AS55632#307 SJEDU-AS-KR-KR - Sejong City Office of Education4,608

AS17574#308 SMGCC-AS-KR-KR - Seoul Metropolitan Government Computer Center4,352

AS17856#309 KONYANG-AS-KR-KR - Konyang University4,352

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources