AS9644 is the autonomous system of SK Telecom. It holds 7,128,832 IPv4 addresses in 109 prefixes plus 2 IPv6 ranges, mainly in 
South Korea.
By IPv4 addresses the network ranks #65 worldwide and #5 of 870 networks in South Korea. That is 6.1% of the country’s IPv4 space.
The largest block is 223.32.0.0 to 223.63.255.255 with 2,097,152 addresses, geolocated to Seoul (Eulji-ro).
- IPv4 addresses
- 7,128,832
- IPv4 prefixes
- 109
- World rank
- #65
- Country share
- 6.1%
- IPv6 ranges
- 2
Addresses by country
- South Korea 100%
Largest blocks
- 223.32.0.0 Seoul (Eulji-ro)2,097,152
- 42.16.0.0 Seoul (Eulji-ro)2,097,152
- 27.160.0.0 Seoul (Eulji-ro)1,572,864
- 180.132.0.0 Seoul (Eulji-ro)262,144
- 123.228.0.0 Seoul (Eulji-ro)131,072
- 113.216.0.0 Seoul (Eulji-ro)131,072
- 111.218.0.0 Seoul (Eulji-ro)131,072
- 124.0.0.0 Seoul (Eulji-ro)75,008
Networks of similar size
7,396,352
7,337,177
7,265,792
7,215,616
7,087,616
6,995,012
6,886,144
6,863,616IPv4 prefixes
- 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
Questions and answers
Who owns AS9644?
Autonomous system AS9644 is operated by SK Telecom.
How many IP addresses does AS9644 have?
The network holds 7,128,832 IPv4 addresses in 109 prefixes, plus 2 IPv6 ranges.
Which country is AS9644 in?
The main country is South Korea.
How big is AS9644?
By IPv4 addresses it ranks #65 worldwide.
What is the largest address block of AS9644?
223.32.0.0 to 223.63.255.255, 2,097,152 addresses.