AS23983 Daejeon University

DJU-AS-KR-KR - Daejeon University · registered in South Korea

IPv4 addresses6,6563 prefixes · <0.001% of announced IPv4

Rank in South Korea#262largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#11,862of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS23983 in ASN lookup Look up an IP in this network (203.237.128.1) All networks in South Korea

IPv4 prefixes

All 3 prefixes, in address order.

203.237.128.0/20
203.237.144.0/21
203.237.152.0/23

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS17861#259 KIT-AS-KR-KR - KyungNam College of Information Technology6,912

AS9978#260 UOS-AS-KR - The University of Seoul6,656

AS10071#261 ANYANG-AS-KR - anyang University6,656

AS38681#263 JNEINET-AS-KR-KR - Jeollanamdo Educational Research Information Institute6,656

AS10185#264 HNB-AS-KR - Hana Bank Co.6,144

AS17833#265 NCOM-AS-KR-KR - NCOM ltd.6,144

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