Centurylink, Inc

IPv4 IPv6
Country United States United States
Assigned AS N/A
Updated 03 August 2026

We found 43 IPv4 networks operated by this organization.
Results sorted by network size.

United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.140.0.0/14
IP Range: 208.140.0.0 - 208.143.255.255
Block size: 262,144
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.152.0.0/14
IP Range: 208.152.0.0 - 208.155.255.255
Block size: 262,144
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.156.0.0/15
IP Range: 206.156.0.0 - 206.157.255.255
Block size: 131,072
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.128.0.0/15
IP Range: 208.128.0.0 - 208.129.255.255
Block size: 131,072
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.164.0.0/15
IP Range: 208.164.0.0 - 208.165.255.255
Block size: 131,072
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 63.129.0.0/16
IP Range: 63.129.0.0 - 63.129.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.30.0.0/16
IP Range: 206.30.0.0 - 206.30.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.98.0.0/16
IP Range: 206.98.0.0 - 206.98.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 207.3.0.0/16
IP Range: 207.3.0.0 - 207.3.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.139.0.0/16
IP Range: 208.139.0.0 - 208.139.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.162.0.0/16
IP Range: 208.162.0.0 - 208.162.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.171.0.0/16
IP Range: 208.171.0.0 - 208.171.255.255
Block size: 65,536
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.153.128.0/17
IP Range: 206.153.128.0 - 206.153.255.255
Block size: 32,768
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.154.128.0/17
IP Range: 206.154.128.0 - 206.154.255.255
Block size: 32,768
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.132.128.0/17
IP Range: 208.132.128.0 - 208.132.255.255
Block size: 32,768
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.166.128.0/17
IP Range: 208.166.128.0 - 208.166.255.255
Block size: 32,768
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.153.0.0/18
IP Range: 206.153.0.0 - 206.153.63.255
Block size: 16,384
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.154.64.0/18
IP Range: 206.154.64.0 - 206.154.127.255
Block size: 16,384
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.132.0.0/18
IP Range: 208.132.0.0 - 208.132.63.255
Block size: 16,384
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.138.64.0/18
IP Range: 208.138.64.0 - 208.138.127.255
Block size: 16,384
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.157.192.0/18
IP Range: 208.157.192.0 - 208.157.255.255
Block size: 16,384
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.128.224.0/19
IP Range: 206.128.224.0 - 206.128.255.255
Block size: 8,192
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.153.64.0/19
IP Range: 206.153.64.0 - 206.153.95.255
Block size: 8,192
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.132.64.0/19
IP Range: 208.132.64.0 - 208.132.95.255
Block size: 8,192
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.138.128.0/19
IP Range: 208.138.128.0 - 208.138.159.255
Block size: 8,192
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 209.225.64.0/19
IP Range: 209.225.64.0 - 209.225.95.255
Block size: 8,192
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.154.32.0/20
IP Range: 206.154.32.0 - 206.154.47.255
Block size: 4,096
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.138.0.0/20
IP Range: 208.138.0.0 - 208.138.15.255
Block size: 4,096
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.138.176.0/20
IP Range: 208.138.176.0 - 208.138.191.255
Block size: 4,096
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 206.154.56.0/21
IP Range: 206.154.56.0 - 206.154.63.255
Block size: 2,048
United States Centurylink, Inc
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Network: PROJECT-DEMETER
CIDR: 208.138.160.0/21
IP Range: 208.138.160.0 - 208.138.167.255
Block size: 2,048
United States Centurylink, Inc
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Network: HIJACKED-SPACE-CONTACT-US
CIDR: 63.225.1.0/24
IP Range: 63.225.1.0 - 63.225.1.255
Block size: 256
United States Centurylink, Inc
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Network: HIJACKED-SPACE-CONTACT-US
CIDR: 64.212.116.0/24
IP Range: 64.212.116.0 - 64.212.116.255
Block size: 256
United States Centurylink, Inc
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Network: HIJACKED-SPACE-CONTACT-US
CIDR: 204.246.246.0/24
IP Range: 204.246.246.0 - 204.246.246.255
Block size: 256
United States Centurylink
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Network: Q1213-65-120-179-16
CIDR: 65.120.179.16/28
IP Range: 65.120.179.16 - 65.120.179.31
Block size: 16
United States Centurylink
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Network: OOL-STATIC-PSWYNJ-47-21-157-8-29
CIDR: 47.21.157.8/29
IP Range: 47.21.157.8 - 47.21.157.15
Block size: 8
United States Centurylink
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Network: Q1210-63-159-200-168
CIDR: 63.159.200.168/29
IP Range: 63.159.200.168 - 63.159.200.175
Block size: 8
United States Centurylink
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Network: Q0113-67-131-108-224
CIDR: 67.131.108.224/29
IP Range: 67.131.108.224 - 67.131.108.231
Block size: 8
United States Centurylink
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Network: NET-98-6-85-168-1
CIDR: 98.6.85.168/29
IP Range: 98.6.85.168 - 98.6.85.175
Block size: 8
United States Centurylink
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Network: NET-198-2-37-112-1
CIDR: 198.2.37.112/29
IP Range: 198.2.37.112 - 198.2.37.119
Block size: 8
United States Centurylink
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Network: Q0711-199-117-238-200
CIDR: 199.117.238.200/29
IP Range: 199.117.238.200 - 199.117.238.207
Block size: 8
United States Centurylink
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Network: Q0106-205-169-165-120
CIDR: 205.169.165.120/29
IP Range: 205.169.165.120 - 205.169.165.127
Block size: 8
United States Centurylink
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Network: Q0720-208-47-201-136
CIDR: 208.47.201.136/29
IP Range: 208.47.201.136 - 208.47.201.143
Block size: 8

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