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AS9644 SK Telecom

SKTELECOM-NET-AS-KR - SK Telecom · registered in South Korea

IPv4 addresses7,128,832109 prefixes · 0.227% of announced IPv4
Rank in South Korea#5largest network in KR by IPv4 space, of 853 · 6.64% of KR
Rank worldwide#67of 79,396 networks with IPv4
IPv62 x /32 (131,072 x /48)2 prefixes
CountrySouth Korea869 ASNs registered there
Open AS9644 in ASN lookup Look up an IP in this network (27.160.0.1) All networks in South Korea

IPv4 prefixes

All 109 prefixes, in address order.

  • 27.160.0.0/12
  • 27.176.0.0/13
  • 42.16.0.0/12
  • 42.32.0.0/12
  • 58.102.0.0/18
  • 58.102.64.0/19
  • 58.102.96.0/22
  • 58.102.104.0/21
  • 58.102.112.0/20
  • 58.102.130.0/23
  • 58.102.132.0/23
  • 58.102.134.0/24
  • 58.102.136.0/21
  • 58.102.144.0/20
  • 58.102.160.0/19
  • 58.102.192.0/22
  • 58.102.196.0/23
  • 58.102.198.0/24
  • 58.102.202.0/23
  • 58.102.204.0/22
  • 58.102.208.0/20
  • 58.102.224.0/19
  • 58.103.0.0/23
  • 58.103.12.0/22
  • 58.103.16.0/20
  • 58.103.32.0/19
  • 58.103.64.0/18
  • 58.103.128.0/19
  • 58.103.170.0/23
  • 58.103.172.0/22
  • 58.103.176.0/20
  • 58.103.192.0/18
  • 61.104.0.0/19
  • 61.104.32.0/20
  • 61.104.48.0/22
  • 61.104.52.0/23
  • 61.104.54.0/24
  • 61.104.56.0/21
  • 61.104.64.0/21
  • 61.104.72.0/22
  • 61.104.77.0/24
  • 61.104.78.0/23
  • 61.104.80.0/20
  • 61.104.96.0/19
  • 61.104.134.0/23
  • 61.104.136.0/21
  • 61.104.144.0/20
  • 61.104.160.0/19
  • 61.104.192.0/18
  • 61.250.0.0/18
  • 61.254.128.0/19
  • 111.218.0.0/15
  • 113.216.0.0/15
  • 114.52.0.0/18
  • 114.52.64.0/21
  • 114.52.72.0/23
  • 114.52.75.0/24
  • 114.52.76.0/23
  • 114.52.79.0/24
  • 114.52.80.0/20
  • 114.52.96.0/19
  • 114.52.128.0/17
  • 114.53.0.0/18
  • 114.53.64.0/21
  • 114.53.72.0/22
  • 114.53.77.0/24
  • 114.53.78.0/23
  • 114.53.80.0/20
  • 114.53.96.0/19
  • 114.53.128.0/17
  • 123.228.0.0/15
  • 124.0.0.0/16
  • 124.1.0.0/19
  • 124.1.32.0/22
  • 124.1.36.0/24
  • 124.1.38.0/23
  • 124.1.40.0/21
  • 124.1.48.0/20
  • 124.1.64.0/18
  • 124.1.128.0/17
  • 180.132.0.0/14
  • 203.226.192.0/19
  • 203.226.224.0/20
  • 203.226.240.0/21
  • 203.226.248.0/22
  • 203.236.0.0/19
  • 203.236.32.0/21
  • 203.236.40.0/22
  • 211.110.247.0/24
  • 211.111.176.0/20
  • 211.115.0.0/21
  • 211.115.8.0/23
  • 211.115.12.0/24
  • 211.115.14.0/23
  • 211.115.16.0/20
  • 211.188.128.0/17
  • 211.234.128.0/18
  • 211.234.192.0/19
  • 211.234.224.0/21
  • 211.234.232.0/22
  • 211.234.236.0/23
  • 211.234.238.0/24
  • 211.234.244.0/22
  • 211.234.248.0/21
  • 211.235.64.0/18
  • 211.235.128.0/18
  • 211.240.128.0/17
  • 220.103.0.0/16
  • 223.32.0.0/11

IPv6 prefixes

All 2 prefixes.

  • 2001:2d8::/32
  • 2001:f28::/32

Similar-sized networks in South Korea

ASNNameIPv4 addresses
AS9318#2 SKB-AS-KR - SK Broadband Co Ltd14,994,944
AS17858#3 POWERVIS-AS-KR-KR - LG POWERCOMM10,307,072
AS3786#4 LGDACOM-KR - LG DACOM Corporation8,056,832
AS6619#6 SAMSUNGSDS-AS-KR-KR - SamsungSDS Inc.1,150,720
AS9316#7 DACOM-PUBNETPLUS-AS-KR-KR - DACOM-PUBNETPLUS1,099,776
AS10036#8 CNM-AS-KR-KR - DLIVE840,448

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