AS9970 Korea University of Technology and Education

KUT-AS-KR - Korea University of Technology and Education · registered in South Korea

IPv4 addresses12,8009 prefixes · <0.001% of announced IPv4

Rank in South Korea#196largest network in KR by IPv4 space, of 853 · 0.01% of KR

Rank worldwide#7,976of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS9970 in ASN lookup Look up an IP in this network (203.255.220.1) All networks in South Korea

IPv4 prefixes

All 9 prefixes, in address order.

203.255.220.0/23
210.119.188.0/22
210.181.142.0/23
210.181.144.0/22
210.181.148.0/23
210.181.151.0/24
218.150.181.0/24
218.150.182.0/23
220.68.64.0/19

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS18164#193 MOKPO-AS-KR-KR - Mokpo University13,056

AS23552#194 KORNU-AS-KR-KR - Korea Nazarene University13,056

AS131822#195 KNUT-AS-KR-KR - Korea National University of Transportation13,056

AS55593#197 NETMARBLE-AS-KR-KR - netmarble12,800

AS9962#198 Sunchon-as-KR - Sunchon National University12,544

AS9982#199 PAICHAI-AS-KR - PAICHAI UNIVERSITY12,544

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