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AS22561 CenturyLink Communications, LLC

CENTURYLINK-LEGACY-LIGHTCORE - CenturyLink Communications, LLC · registered in the United States

IPv4 addresses1,228,800397 prefixes · 0.039% of announced IPv4
Rank in United States#87largest network in US by IPv4 space, of 18,338 · 0.09% of US
Rank worldwide#307of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS22561 in ASN lookup Look up an IP in this network (64.40.72.1) All networks in United States

IPv4 prefixes

All 397 prefixes, in address order.

  • 64.40.72.0/23
  • 64.40.74.0/24
  • 64.40.78.0/23
  • 64.40.88.0/21
  • 64.89.100.0/22
  • 64.89.104.0/23
  • 64.89.108.0/24
  • 64.89.110.0/24
  • 64.89.112.0/23
  • 64.89.118.0/23
  • 64.89.120.0/22
  • 64.89.124.0/23
  • 64.89.127.0/24
  • 64.91.0.0/20
  • 64.91.16.0/21
  • 64.91.24.0/23
  • 64.91.26.0/24
  • 64.91.28.0/22
  • 64.91.32.0/21
  • 64.91.40.0/22
  • 64.91.44.0/23
  • 64.91.46.0/24
  • 64.91.47.0/24
  • 64.91.48.0/22
  • 64.91.52.0/24
  • 64.91.54.0/23
  • 64.91.56.0/23
  • 64.91.59.0/24
  • 64.91.60.0/22
  • 64.91.64.0/20
  • 64.91.84.0/22
  • 64.91.88.0/22
  • 64.91.92.0/23
  • 64.91.94.0/23
  • 64.91.96.0/23
  • 64.91.99.0/24
  • 64.91.100.0/22
  • 64.91.106.0/23
  • 64.91.108.0/24
  • 64.91.110.0/23
  • 64.91.112.0/21
  • 64.91.120.0/22
  • 64.91.126.0/24
  • 64.200.212.0/24
  • 64.238.224.0/23
  • 64.238.227.0/24
  • 64.238.229.0/24
  • 64.238.230.0/24
  • 64.238.232.0/21
  • 64.238.241.0/24
  • 64.238.242.0/24
  • 64.238.244.0/22
  • 64.238.248.0/23
  • 64.238.250.0/24
  • 64.238.252.0/22
  • 66.79.5.0/24
  • 66.79.8.0/22
  • 66.79.15.0/24
  • 66.79.16.0/20
  • 66.79.32.0/20
  • 66.79.48.0/22
  • 66.79.52.0/23
  • 66.79.58.0/23
  • 66.79.64.0/22
  • 66.79.68.0/23
  • 66.79.72.0/22
  • 66.79.89.0/24
  • 66.79.90.0/23
  • 66.79.92.0/22
  • 66.112.0.0/19
  • 66.112.32.0/20
  • 66.112.48.0/21
  • 66.112.56.0/22
  • 66.112.60.0/22
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  • 66.112.68.0/24
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  • 66.112.80.0/20
  • 66.112.96.0/21
  • 66.112.104.0/23
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  • 66.112.112.0/20
  • 66.208.135.0/24
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  • 66.208.140.0/22
  • 66.208.144.0/23
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  • 66.208.156.0/22
  • 66.208.162.0/23
  • 66.208.169.0/24
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  • 66.208.174.0/23
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  • 66.208.184.0/24
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  • 66.211.32.0/20
  • 66.211.48.0/21
  • 66.211.56.0/22
  • 66.211.61.0/24
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  • 66.242.228.0/22
  • 66.242.232.0/24
  • 66.242.234.0/24
  • 66.242.238.0/23
  • 66.242.244.0/22
  • 66.242.248.0/22
  • 66.249.32.0/20
  • 66.249.60.0/23
  • 67.63.132.0/23
  • 67.63.134.0/24
  • 67.63.136.0/21
  • 67.63.144.0/21
  • 67.63.156.0/22
  • 67.63.160.0/21
  • 67.63.175.0/24
  • 67.63.194.0/24
  • 67.63.198.0/23
  • 67.63.201.0/24
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  • 67.63.207.0/24
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  • 67.63.220.0/24
  • 67.63.223.0/24
  • 67.63.224.0/22
  • 67.63.229.0/24
  • 67.63.231.0/24
  • 67.63.233.0/24
  • 67.63.234.0/24
  • 67.63.236.0/22
  • 67.63.242.0/24
  • 67.63.245.0/24
  • 67.63.248.0/23
  • 67.63.250.0/24
  • 67.232.168.0/23
  • 67.232.171.0/24
  • 67.232.172.0/22
  • 67.237.208.0/23
  • 67.237.212.0/22
  • 67.237.216.0/21
  • 69.18.88.0/22
  • 69.18.100.0/24
  • 69.18.105.0/24
  • 69.18.106.0/24
  • 69.18.118.0/23
  • 69.18.124.0/22
  • 69.29.2.0/24
  • 69.29.4.0/22
  • 69.29.8.0/22
  • 69.29.12.0/22
  • 69.29.16.0/20
  • 69.29.32.0/21
  • 69.29.40.0/23
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  • 69.29.44.0/22
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  • 69.29.56.0/23
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  • 69.29.64.0/19
  • 69.29.96.0/21
  • 69.29.104.0/22
  • 69.29.108.0/22
  • 69.29.112.0/20
  • 69.29.128.0/20
  • 69.29.144.0/22
  • 69.29.148.0/23
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  • 69.29.152.0/21
  • 69.29.160.0/21
  • 69.29.168.0/23
  • 69.29.171.0/24
  • 69.29.172.0/22
  • 69.29.176.0/21
  • 69.29.184.0/22
  • 69.29.188.0/22
  • 69.29.192.0/18
  • 69.69.206.0/23
  • 69.147.138.0/24
  • 69.147.140.0/23
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  • 69.147.145.0/24
  • 69.147.148.0/23
  • 69.147.150.0/24
  • 69.147.152.0/24
  • 69.147.154.0/24
  • 69.179.0.0/19
  • 69.179.32.0/21
  • 69.179.40.0/21
  • 69.179.48.0/20
  • 69.179.64.0/18
  • 69.179.128.0/18
  • 69.179.192.0/23
  • 69.179.200.0/21
  • 69.179.208.0/20
  • 69.179.224.0/19
  • 72.26.73.0/24
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  • 72.26.80.0/21
  • 72.26.88.0/21
  • 72.160.0.0/18
  • 72.160.64.0/19
  • 72.160.112.0/20
  • 72.160.128.0/19
  • 72.160.160.0/20
  • 72.160.176.0/21
  • 72.160.192.0/18
  • 74.4.5.0/24
  • 74.4.16.0/21
  • 74.5.200.0/21
  • 75.120.0.0/15
  • 76.5.128.0/19
  • 76.5.248.0/22
  • 76.7.0.0/19
  • 76.7.208.0/20
  • 98.125.0.0/17
  • 98.125.128.0/19
  • 98.125.164.0/22
  • 98.125.192.0/19
  • 98.125.224.0/20
  • 98.125.240.0/21
  • 98.125.252.0/22
  • 99.194.0.0/17
  • 99.194.196.0/22
  • 99.194.200.0/22
  • 99.194.204.0/22
  • 99.194.208.0/20
  • 99.194.224.0/20
  • 99.194.244.0/22
  • 99.195.0.0/17
  • 99.195.128.0/18
  • 99.195.192.0/19
  • 99.195.232.0/21
  • 99.195.240.0/20
  • 138.210.64.0/22
  • 138.210.68.0/23
  • 138.210.70.0/24
  • 138.210.176.0/21
  • 162.104.200.0/24
  • 162.104.204.0/23
  • 162.104.206.0/24
  • 162.104.253.0/24
  • 162.104.254.0/23
  • 173.202.0.0/17
  • 173.202.128.0/19
  • 173.202.160.0/23
  • 173.202.162.0/23
  • 173.202.164.0/22
  • 173.202.168.0/21
  • 173.202.176.0/20
  • 173.202.196.0/22
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  • 173.202.208.0/20
  • 173.202.224.0/19
  • 173.248.64.0/20
  • 173.248.80.0/21
  • 173.248.88.0/23
  • 173.248.90.0/24
  • 173.248.92.0/22
  • 173.248.96.0/19
  • 184.156.0.0/21
  • 184.156.16.0/21
  • 184.156.24.0/21
  • 184.156.32.0/19
  • 184.156.64.0/18
  • 184.156.128.0/17
  • 184.157.0.0/17
  • 184.157.128.0/18
  • 184.157.192.0/19
  • 184.157.224.0/20
  • 184.157.248.0/21
  • 184.158.0.0/17
  • 184.158.128.0/18
  • 184.159.0.0/19
  • 184.159.32.0/19
  • 184.159.64.0/20
  • 184.159.81.0/24
  • 184.159.82.0/23
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  • 184.159.88.0/21
  • 184.159.96.0/21
  • 184.159.104.0/22
  • 184.159.108.0/23
  • 184.159.112.0/20
  • 184.159.128.0/19
  • 184.159.160.0/20
  • 184.159.176.0/21
  • 184.159.184.0/21
  • 184.159.192.0/18
  • 204.9.120.0/22
  • 204.9.124.0/23
  • 204.9.126.0/24
  • 206.51.68.0/22
  • 206.51.72.0/21
  • 206.51.80.0/20
  • 207.118.0.0/20
  • 207.118.24.0/21
  • 207.118.32.0/19
  • 207.118.64.0/18
  • 207.118.128.0/19
  • 207.118.160.0/20
  • 207.118.184.0/21
  • 207.118.192.0/21
  • 207.118.200.0/22
  • 207.118.204.0/22
  • 207.118.216.0/21
  • 207.118.224.0/21
  • 207.118.232.0/22
  • 207.118.236.0/22
  • 207.118.240.0/20
  • 207.119.0.0/18
  • 207.119.64.0/21
  • 207.119.72.0/23
  • 207.119.74.0/23
  • 207.119.76.0/22
  • 207.119.80.0/20
  • 207.119.96.0/21
  • 207.119.104.0/22
  • 207.119.108.0/22
  • 207.119.112.0/20
  • 207.119.128.0/17
  • 207.230.192.0/19
  • 208.13.143.0/24
  • 208.42.195.0/24
  • 208.42.208.0/21
  • 208.42.216.0/23
  • 208.42.218.0/24
  • 208.42.219.0/24
  • 208.42.222.0/23
  • 208.54.192.0/19
  • 208.110.240.0/20
  • 209.102.128.0/23
  • 209.102.130.0/24
  • 209.102.132.0/22
  • 209.102.136.0/21
  • 209.102.144.0/20
  • 209.102.160.0/19
  • 209.142.128.0/23
  • 209.142.130.0/24
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  • 209.142.132.0/22
  • 209.142.136.0/21
  • 209.142.144.0/20
  • 209.142.160.0/22
  • 209.142.164.0/23
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  • 209.142.168.0/21
  • 209.142.176.0/21
  • 209.142.184.0/23
  • 209.142.186.0/24
  • 209.142.188.0/22
  • 209.206.128.0/19
  • 209.206.160.0/22
  • 209.206.164.0/23
  • 209.206.167.0/24
  • 209.206.168.0/22
  • 209.206.172.0/23
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  • 209.206.192.0/22
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  • 209.206.208.0/21
  • 209.206.216.0/22
  • 209.206.221.0/24
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  • 209.206.240.0/22
  • 209.206.244.0/24
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  • 209.206.254.0/23
  • 216.166.192.0/23
  • 216.166.194.0/24
  • 216.166.195.0/24
  • 216.166.196.0/22
  • 216.166.200.0/22
  • 216.166.208.0/20
  • 216.166.228.0/22
  • 216.166.232.0/22
  • 216.166.236.0/23
  • 216.166.239.0/24
  • 216.166.240.0/21
  • 216.166.248.0/21
  • 216.231.160.0/19

Other ASNs named CenturyLink Communications, LLC

27 other networks use the same organisation name; together with AS22561 they announce 24,368,896 IPv4 addresses.

ASNNameIPv4 addresses
AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC US15,739,648
AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC US6,397,952
AS2379CENTURYLINK-LEGACY-EMBARQ-WNPK - CenturyLink Communications, LLC US547,840
AS11398CENTURYLINK-LEGACY-EMBARQ-LVGS - CenturyLink Communications, LLC US121,088
AS17402CENTURYLINK-LEGACY-EMBARQ-CHSK - CenturyLink Communications, LLC US68,864
AS14921CENTURYLINK-LEGACY-EMBARQ-HDRV - CenturyLink Communications, LLC US61,440
AS6222CENTURYLINK-LEGACY-EMBARQ-CLTN - CenturyLink Communications, LLC US59,136
AS4911CENTURYLINK-LEGACY-QWEST-SPA-MARION - CenturyLink Communications, LLC US16,384
AS16941CENTURYLINK-LEGACY-FUSEPOINT-CTS-CANADA-POP - CenturyLink Communications, LLC US15,616
AS7359CENTURYLINK-SPA-ZUNI - CenturyLink Communications, LLC US14,592
AS4015CENTURYLINK-LEGACY-QWEST-SPA-OMAHA - CenturyLink Communications, LLC US14,336
AS3910CENTURYLINK-EUROPE-LEGACY-QWEST - CenturyLink Communications, LLC US13,824
AS22186CENTURYLINK-LEGACY-EMBARQ-KSGRNR - CenturyLink Communications, LLC US13,312
AS393789CENTURYLINK-CHIA-PROJECT - CenturyLink Communications, LLC US13,312
AS23126CENTURYLINK-CLEC-VARIOUS-SHARED-USE-AND-LOCATIONS - CenturyLink Communications, LLC US8,960
AS3909CENTURYLINK-LEGACY-QWEST-VDOC - CenturyLink Communications, LLC US6,912
AS4282CENTURYLINK-TSDS-FLFTMY - CenturyLink Communications, LLC US5,888
AS4283CENTURYLINK-TSDS-LSVG - CenturyLink Communications, LLC US4,864
AS4284CENTURYLINK-TSDS-FLTLHS - CenturyLink Communications, LLC US4,608
AS13787CENTURYLINK-LEGACY-EMBARQ-JCTY - CenturyLink Communications, LLC US3,328
AS6223CENTURYLINK-MTIPS1-STN - CenturyLink Communications, LLC US2,560
AS5778CENTURYLINK-LEGACY-EMBARQ-RCMT - CenturyLink Communications, LLC US1,792
AS7191CENTURYLINK-PRISM - CenturyLink Communications, LLC US1,536
AS4297CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC US1,024
AS7988CENTURYLINK-SPA-SINGAPORE - CenturyLink Communications, LLC US768
AS6224CENTURYLINK-MTIPS2-CHI - CenturyLink Communications, LLC US256
AS16835CENTURYLINK-LEGACY-MR-MEBLANE-AND-RCMT - CenturyLink Communications, LLC US256

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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