AS55618 UNIVERSITY OF ULSAN

UOU-AS-KR-KR - UNIVERSITY OF ULSAN · registered in South Korea

IPv4 addresses16,8967 prefixes · <0.001% of announced IPv4

Rank in South Korea#172largest network in KR by IPv4 space, of 853 · 0.02% of KR

Rank worldwide#6,783of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS55618 in ASN lookup Look up an IP in this network (203.250.64.1) All networks in South Korea

IPv4 prefixes

All 7 prefixes, in address order.

203.250.64.0/19
210.102.152.0/21
210.102.160.0/21
210.102.168.0/22
210.102.208.0/21
210.102.216.0/22
218.147.40.0/23

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS9270#169 APAN-KR-AS-KR - National Infomation Society Agency18,432

AS38099#170 KAKAO-AS-KR-KR - Kakao Corp17,920

AS18034#171 KANGNUNG-AS-KR-KR - Gangneung-Wonju National University16,896

AS9980#173 LDCC-AS-KR-KR - LOTTE INNOVATE Co.,Ltd16,640

AS38701#174 PIRANHA-AS-KR-KR - Piranha Systems16,512

AS18328#175 DOTNAME-AS-KR-KR - Dotname Korea Corp16,384

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