AS9631 youngsan university

YSU-AS-KR-KR - youngsan university · registered in South Korea

IPv4 addresses8,44812 prefixes · <0.001% of announced IPv4

Rank in South Korea#224largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#10,076of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS9631 in ASN lookup Look up an IP in this network (61.75.198.1) All networks in South Korea

IPv4 prefixes

All 12 prefixes, in address order.

61.75.198.0/23
61.75.200.0/23
61.76.236.0/22
121.67.137.0/24
210.110.44.0/22
211.220.228.0/22
211.220.232.0/24
220.77.176.0/23
220.119.248.0/22
221.164.0.0/22
221.164.5.0/24
221.164.68.0/22

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS18031#221 SANGMYUNG-AS-KR-KR - Sangmyung University9,216

AS9322#222 EWHANET1-AS-KR - Institute of Information and Computing, EWHA WOMANS UNIV.8,704

AS9696#223 EDAS-AS-KR - Oscar Enterprise8,704

AS9782#225 WOOSONGEDU-KR - WooSong University8,448

AS9955#226 CHEONAN-AS-KR-KR - Baekseok University8,448

AS17837#227 KCP-AS-KR-KR - NHN KCP Corp.8,448

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