SK Telecom

IPv4 IPv6
Networks by country South Korea South Korea (39), United States United States (3)
Assigned AS AS9644, AS18302
Updated 02 March 2026

We found 42 IPv4 networks operated by this organization.
Results sorted by network size.

South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 223.32.0.0/11
IP Range: 223.32.0.0 - 223.63.255.255
Block size: 2,097,152
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 27.160.0.0/12
IP Range: 27.160.0.0 - 27.175.255.255
Block size: 1,048,576
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 42.16.0.0/12
IP Range: 42.16.0.0 - 42.31.255.255
Block size: 1,048,576
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 42.32.0.0/12
IP Range: 42.32.0.0 - 42.47.255.255
Block size: 1,048,576
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 27.176.0.0/13
IP Range: 27.176.0.0 - 27.183.255.255
Block size: 524,288
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 180.132.0.0/14
IP Range: 180.132.0.0 - 180.135.255.255
Block size: 262,144
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 58.102.0.0/15
IP Range: 58.102.0.0 - 58.103.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 111.218.0.0/15
IP Range: 111.218.0.0 - 111.219.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 113.216.0.0/15
IP Range: 113.216.0.0 - 113.217.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 114.52.0.0/15
IP Range: 114.52.0.0 - 114.53.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 123.228.0.0/15
IP Range: 123.228.0.0 - 123.229.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 124.0.0.0/15
IP Range: 124.0.0.0 - 124.1.255.255
Block size: 131,072
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 61.104.0.0/16
IP Range: 61.104.0.0 - 61.104.255.255
Block size: 65,536
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 220.103.0.0/16
IP Range: 220.103.0.0 - 220.103.255.255
Block size: 65,536
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.188.128.0/17
IP Range: 211.188.128.0 - 211.188.255.255
Block size: 32,768
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.240.128.0/17
IP Range: 211.240.128.0 - 211.240.255.255
Block size: 32,768
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 61.250.0.0/18
IP Range: 61.250.0.0 - 61.250.63.255
Block size: 16,384
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.234.128.0/18
IP Range: 211.234.128.0 - 211.234.191.255
Block size: 16,384
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.235.64.0/18
IP Range: 211.235.64.0 - 211.235.127.255
Block size: 16,384
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.235.128.0/18
IP Range: 211.235.128.0 - 211.235.191.255
Block size: 16,384
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 61.254.128.0/19
IP Range: 61.254.128.0 - 61.254.159.255
Block size: 8,192
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.226.192.0/19
IP Range: 203.226.192.0 - 203.226.223.255
Block size: 8,192
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.236.0.0/19
IP Range: 203.236.0.0 - 203.236.31.255
Block size: 8,192
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.234.192.0/19
IP Range: 211.234.192.0 - 211.234.223.255
Block size: 8,192
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.226.224.0/20
IP Range: 203.226.224.0 - 203.226.239.255
Block size: 4,096
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.111.176.0/20
IP Range: 211.111.176.0 - 211.111.191.255
Block size: 4,096
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.115.16.0/20
IP Range: 211.115.16.0 - 211.115.31.255
Block size: 4,096
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.234.224.0/20
IP Range: 211.234.224.0 - 211.234.239.255
Block size: 4,096
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.226.240.0/21
IP Range: 203.226.240.0 - 203.226.247.255
Block size: 2,048
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.236.32.0/21
IP Range: 203.236.32.0 - 203.236.39.255
Block size: 2,048
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.115.8.0/21
IP Range: 211.115.8.0 - 211.115.15.255
Block size: 2,048
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.234.248.0/21
IP Range: 211.234.248.0 - 211.234.255.255
Block size: 2,048
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.226.248.0/22
IP Range: 203.226.248.0 - 203.226.251.255
Block size: 1,024
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.236.40.0/22
IP Range: 203.236.40.0 - 203.236.43.255
Block size: 1,024
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.115.0.0/22
IP Range: 211.115.0.0 - 211.115.3.255
Block size: 1,024
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.115.4.0/22
IP Range: 211.115.4.0 - 211.115.7.255
Block size: 1,024
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 211.234.244.0/22
IP Range: 211.234.244.0 - 211.234.247.255
Block size: 1,024
South Korea SK Telecom
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Network: SK-TELECOM-NET
CIDR: 203.226.252.0/24
IP Range: 203.226.252.0 - 203.226.252.255
Block size: 256
South Korea SK Telecom
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Network: SK-TELECOM-NET-KR
CIDR: 223.39.18.0/24
IP Range: 223.39.18.0 - 223.39.18.255
Block size: 256
United States SK Telecom
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Network: ACC-SK-T637-78-128
CIDR: 12.23.78.128/25
IP Range: 12.23.78.128 - 12.23.78.255
Block size: 128
United States SK Telecom
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Network: NEXG-CUST-SKTELECOM
CIDR: 208.72.216.240/28
IP Range: 208.72.216.240 - 208.72.216.255
Block size: 16
United States SK Telecom
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Network: ACC-SK-T65-102-160
CIDR: 12.169.102.160/29
IP Range: 12.169.102.160 - 12.169.102.167
Block size: 8

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