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AS10197 Chonnam National University

CNU-AS-KR-KR - Chonnam National University · registered in South Korea

IPv4 addresses65,53628 prefixes · 0.002% of announced IPv4
Rank in South Korea#86largest network in KR by IPv4 space, of 853 · 0.06% of KR
Rank worldwide#2,916of 79,396 networks with IPv4
IPv64,096 x /481 prefixes
CountrySouth Korea869 ASNs registered there
Open AS10197 in ASN lookup Look up an IP in this network (168.131.0.1) All networks in South Korea

IPv4 prefixes

All 28 prefixes, in address order.

  • 168.131.0.0/19
  • 168.131.32.0/21
  • 168.131.40.0/24
  • 168.131.41.0/24
  • 168.131.42.0/23
  • 168.131.44.0/22
  • 168.131.48.0/20
  • 168.131.64.0/21
  • 168.131.72.0/22
  • 168.131.76.0/23
  • 168.131.78.0/24
  • 168.131.79.0/24
  • 168.131.80.0/20
  • 168.131.96.0/19
  • 168.131.128.0/23
  • 168.131.130.0/23
  • 168.131.132.0/22
  • 168.131.136.0/21
  • 168.131.144.0/20
  • 168.131.160.0/20
  • 168.131.176.0/21
  • 168.131.184.0/22
  • 168.131.188.0/22
  • 168.131.192.0/22
  • 168.131.196.0/22
  • 168.131.200.0/21
  • 168.131.208.0/20
  • 168.131.224.0/19

IPv6 prefixes

All 1 prefix.

  • 2402:1::/36

Similar-sized networks in South Korea

ASNNameIPv4 addresses
AS9489#83 KARINET-AS-KR - Korea Aerospace Research Institute65,920
AS3784#84 POSTECH-AS-KR-KR - Pohang University of Science and Technology65,792
AS7564#85 KAERINET-AS-KR - Korea Atomic Energy Research Institute65,792
AS10052#87 KNU-AS-KR - Kyungpook National University65,536
AS3748#88 ETRI-AS-KR-KR - Electronics and Telecommunications Research Institute65,536
AS3813#89 SOGANG-AS-KR-KR - Sogang University65,536

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