AS45372 ULNetworks Co., Ltd.

ULN-AS-KR-KR - ULNetworks Co., Ltd. · registered in South Korea

IPv4 addresses63,4887 prefixes · 0.002% of announced IPv4

Rank in South Korea#100largest network in KR by IPv4 space, of 853 · 0.06% of KR

Rank worldwide#3,567of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS45372 in ASN lookup Look up an IP in this network (27.125.0.1) All networks in South Korea

IPv4 prefixes

All 7 prefixes, in address order.

27.125.0.0/17
61.100.240.0/21
113.197.80.0/21
113.197.88.0/22
113.197.92.0/22
182.237.64.0/18
211.235.192.0/19

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS23908#97 AIRPORT-AS-KR-KR - IIAC65,536

AS23980#98 YU-AS-KR-KR - Yeungnam University65,536

AS4665#99 YONSEI-AS-KR-KR - Yonsei University65,280

AS9950#101 PUBNETPLUS2-AS-KR-KR - DACOM-PUBNETPLUS63,232

AS45374#102 CCS-AS-KR-KR - CCS62,976

AS17573#103 SKB-MINS-AS-KR-KR - SK Broadband Co Ltd60,160

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