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AS209

AS209 is CenturyLink / Lumen’s network.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS209 belongs to CenturyLink Communications, LLC. DB-IP Lite attributes 15,438,576 IPv4 addresses in 1,590 ranges and 18 IPv6 ranges to it, all or nearly all of the IPv4 space in United States. The number is registered with ARIN in United States on 13 Nov 1998.

Facts for AS209
Operator (DB-IP)CenturyLink Communications, LLC
KindHome broadband (curated)
IPv4 addresses15,438,576
IPv4 ranges1,590
IPv6 ranges18
RegistryARIN
Registered13 Nov 1998
Registry countryUnited States (US)

Does it publish a geofeed?

Not for the range we sampled (63.144.116.0 – 63.144.217.255): its registry record, and the record above it, link no RFC 8805 geofeed (checked 2 Nov 2026). Without one, location databases have to estimate where these addresses are used, which is a common reason customers of CenturyLink / Lumen see the wrong city. Customers can ask CenturyLink / Lumen to publish one; the evidence report drafts that request.

Shared addresses (CGNAT)

CenturyLink / Lumen hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 18 IPv6 ranges for AS209, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US100%
CA0.18%
GB0.04%
AU0.04%
CO0.04%
VE0.02%
IT0.01%
VI0.01%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
8.15.5.0 – 8.15.5.2558.15.5.0/24256
24.223.60.0 – 24.223.60.25524.223.60.0/24256
24.223.74.0 – 24.223.75.25524.223.74.0/23512
52.119.16.0 – 52.119.19.25552.119.16.0/221,024
52.119.22.0 – 52.119.24.25552.119.22.0/23, 52.119.24.0/24768
52.119.26.0 – 52.119.31.25552.119.26.0/23, 52.119.28.0/221,536
63.144.0.0 – 63.144.67.25563.144.0.0/18, 63.144.64.0/2217,408
63.144.69.0 – 63.144.69.25563.144.69.0/24256
63.144.71.0 – 63.144.110.25563.144.71.0/24, 63.144.72.0/21 …10,240
63.144.112.0 – 63.144.114.25563.144.112.0/23, 63.144.114.0/24768
63.144.116.0 – 63.144.217.25563.144.116.0/22, 63.144.120.0/21 …26,112
63.144.219.0 – 63.144.239.25563.144.219.0/24, 63.144.220.0/22 …5,376
63.144.241.0 – 63.145.58.25563.144.241.0/24, 63.144.242.0/23 …18,944
63.145.60.0 – 63.145.62.25563.145.60.0/23, 63.145.62.0/24768
63.145.64.0 – 63.145.110.25563.145.64.0/19, 63.145.96.0/21 …12,032
63.145.112.0 – 63.145.116.25563.145.112.0/22, 63.145.116.0/241,280
63.145.118.0 – 63.145.141.25563.145.118.0/23, 63.145.120.0/21 …6,144
63.145.143.0 – 63.145.198.25563.145.143.0/24, 63.145.144.0/20 …14,336
63.145.200.0 – 63.145.200.25563.145.200.0/24256
63.145.202.0 – 63.145.245.25563.145.202.0/23, 63.145.204.0/22 …11,264
63.145.248.0 – 63.146.19.25563.145.248.0/21, 63.146.0.0/20 …7,168
63.146.21.0 – 63.146.29.25563.146.21.0/24, 63.146.22.0/23 …2,304
63.146.31.0 – 63.146.37.25563.146.31.0/24, 63.146.32.0/22 …1,792
63.146.39.0 – 63.146.82.25563.146.39.0/24, 63.146.40.0/21 …11,264
63.146.84.0 – 63.146.95.25563.146.84.0/22, 63.146.88.0/213,072
63.146.97.0 – 63.146.152.25563.146.97.0/24, 63.146.98.0/23 …14,336
63.146.154.0 – 63.146.198.25563.146.154.0/23, 63.146.156.0/22 …11,520
63.146.200.0 – 63.146.243.25563.146.200.0/21, 63.146.208.0/20 …11,264
63.146.245.0 – 63.147.2.25563.146.245.0/24, 63.146.246.0/23 …3,584
63.147.4.0 – 63.147.9.25563.147.4.0/22, 63.147.8.0/231,536
63.147.11.0 – 63.147.33.25563.147.11.0/24, 63.147.12.0/22 …5,888
63.147.35.0 – 63.147.39.25563.147.35.0/24, 63.147.36.0/221,280
63.147.43.0 – 63.147.43.25563.147.43.0/24256
63.147.46.0 – 63.147.46.25563.147.46.0/24256
63.147.48.0 – 63.147.51.25563.147.48.0/221,024
63.147.53.0 – 63.147.61.25563.147.53.0/24, 63.147.54.0/23 …2,304
63.147.63.0 – 63.147.84.25563.147.63.0/24, 63.147.64.0/20 …5,632
63.147.86.0 – 63.147.91.25563.147.86.0/23, 63.147.88.0/221,536
63.147.96.0 – 63.147.96.25563.147.96.0/24256
63.147.108.0 – 63.147.147.25563.147.108.0/22, 63.147.112.0/20 …10,240
63.147.149.0 – 63.147.157.25563.147.149.0/24, 63.147.150.0/23 …2,304
63.147.159.0 – 63.147.191.25563.147.159.0/24, 63.147.160.0/198,448
63.147.193.0 – 63.147.205.25563.147.193.0/24, 63.147.194.0/23 …3,328
63.147.207.0 – 63.148.10.25563.147.207.0/24, 63.147.208.0/20 …15,360
63.148.12.0 – 63.148.45.25563.148.12.0/22, 63.148.16.0/20 …8,704
63.148.47.0 – 63.148.59.25563.148.47.0/24, 63.148.48.0/21 …3,328
63.148.61.0 – 63.148.80.25563.148.61.0/24, 63.148.62.0/23 …5,120
63.148.82.0 – 63.148.88.25563.148.82.0/23, 63.148.84.0/22 …1,792
63.148.90.0 – 63.148.156.25563.148.90.0/23, 63.148.92.0/22 …17,152
63.148.158.0 – 63.148.160.25563.148.158.0/23, 63.148.160.0/24768
2001:428:: – 2001:428:b20:ffff:ffff:ffff:ffff:ffff2001:428::/37IPv6
2001:428:b22:: – 2001:428:b25:ffff:ffff:ffff:ffff:ffff2001:428:b22::/47IPv6
2001:428:b27:: – 2001:428:5802:ffff:ffff:ffff:ffff:ffff2001:428:b27::/48IPv6
2001:428:5804:: – 2001:428:5804:ffff:ffff:ffff:ffff:ffff2001:428:5804::/48IPv6
2001:428:5806:: – 2001:428:63ff:ffff:ffff:ffff:ffff:ffff2001:428:5806::/47IPv6
2001:428:6401:: – 2001:428:ffff:ffff:ffff:ffff:ffff:ffff2001:428:6401::/48IPv6
2001:460:: – 2001:460:ffff:ffff:ffff:ffff:ffff:ffff2001:460::/32IPv6
2602:: – 2602:ff:ffff:ffff:ffff:ffff:ffff:ffff2602::/24IPv6
2604:8c0:: – 2604:8c0:ffff:ffff:ffff:ffff:ffff:ffff2604:8c0::/32IPv6
2606:5000:: – 2606:5000:fff:ffff:ffff:ffff:ffff:ffff2606:5000::/36IPv6
2606:5000:1200:: – 2606:5000:13ff:ffff:ffff:ffff:ffff:ffff2606:5000:1200::/39IPv6
2606:5000:1600:: – 2606:5000:1bff:ffff:ffff:ffff:ffff:ffff2606:5000:1600::/39IPv6
2606:5000:1d00:: – 2606:5000:27ff:ffff:ffff:ffff:ffff:ffff2606:5000:1d00::/40IPv6
2606:5000:2a00:: – 2606:5000:2bff:ffff:ffff:ffff:ffff:ffff2606:5000:2a00::/39IPv6
2606:5000:2e00:: – 2606:5000:3bff:ffff:ffff:ffff:ffff:ffff2606:5000:2e00::/39IPv6
2606:5000:4000:: – 2606:5000:47ff:ffff:ffff:ffff:ffff:ffff2606:5000:4000::/37IPv6
2606:5000:4a00:: – 2606:5000:54ff:ffff:ffff:ffff:ffff:ffff2606:5000:4a00::/39IPv6
2606:5000:5600:: – 2606:5000:ffff:ffff:ffff:ffff:ffff:ffff2606:5000:5600::/39IPv6
Showing 50 of 1,590 IPv4 and 18 of 18 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026