AS18158 CHUNGBUK NATIONAL UNIVERSITY

CBNU-AS-KR-KR - CHUNGBUK NATIONAL UNIVERSITY · registered in South Korea

IPv4 addresses29,44012 prefixes · <0.001% of announced IPv4

Rank in South Korea#135largest network in KR by IPv4 space, of 853 · 0.03% of KR

Rank worldwide#5,064of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS18158 in ASN lookup Look up an IP in this network (113.198.134.1) All networks in South Korea

IPv4 prefixes

All 12 prefixes, in address order.

113.198.134.0/23
113.198.136.0/21
113.198.144.0/22
113.198.148.0/23
113.198.176.0/22
114.71.112.0/20
203.255.64.0/19
210.115.160.0/19
210.125.144.0/21
210.125.152.0/22
210.125.156.0/23
210.125.159.0/24

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS55592#132 KDT-AS-KR-KR - Korea Data Telecommunication Co., Ltd.31,744

AS17586#133 NARATV-AS-KR-KR - LG HelloVision Corp.31,232

AS18028#134 GSNU-AS-KR-KR - GyeongSang National University30,720

AS4792#136 NATECOMMS-AS-KR-KR - NATE Communications Corporation29,184

AS38692#137 JBES-AS-KR-KR - Jeonbuk State office of Education Future Education Research Institute28,928

AS9708#138 pknu-as-KR - Pukyong National University28,160

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