AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC
Everything the routing table and the registries say about AS209: who holds it, which registry issued it, and which address blocks it advertises.
Consumer and business ISPsAS209
1592 IPv4 and 32 IPv6 prefixes announced.
Registry facts
- AS number
- AS209
- Holder
- CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC
- Country
- US
- Regional registry
- ARIN — American Registry for Internet Numbers
- Registry block
- 1-1876 (IANA 16-bit Autonomous System (AS) Numbers Registry)
- Announced today
- Yes
- IPv4 prefixes
- 1592
- IPv6 prefixes
- 32
- Observed at
- 2026-09-05T16:00:00
Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by ARIN RDAP.
Announced prefixes
- 168 IPv4 shown
- 32 IPv6 shown
- 8.15.5.0/24
- 24.223.60.0/24
- 24.223.74.0/23
- 52.119.16.0/20
- 52.119.26.0/24
- 52.119.28.0/24
- 63.144.0.0/12
- 63.152.0.0/16
- 63.153.0.0/18
- 63.153.128.0/17
- 63.155.0.0/16
- 63.155.0.0/19
- 63.224.0.0/12
- 63.224.0.0/21
- 63.224.10.0/23
- 63.224.16.0/21
- 63.224.25.0/24
- 63.224.26.0/23
- 63.224.32.0/21
- 63.224.40.0/22
- 63.224.44.0/24
- 63.224.46.0/23
- 63.224.48.0/24
- 63.224.51.0/24
- 63.224.54.0/23
- 63.224.56.0/22
- 63.224.62.0/24
- 63.224.64.0/24
- 63.224.68.0/23
- 63.224.70.0/24
- 63.224.79.0/24
- 63.224.84.0/23
- 63.224.86.0/24
- 63.224.89.0/24
- 63.224.100.0/22
- 63.224.128.0/22
- 63.224.132.0/24
- 63.224.134.0/23
- 63.224.136.0/23
- 63.224.140.0/23
- 63.224.145.0/24
- 63.224.146.0/23
- 63.224.148.0/23
- 63.224.156.0/22
- 63.224.180.0/22
- 63.224.184.0/22
- 63.224.188.0/24
- 63.224.190.0/24
- 63.224.194.0/23
- 63.224.200.0/21
- 63.224.208.0/22
- 63.224.214.0/23
- 63.224.216.0/23
- 63.224.218.0/24
- 63.224.220.0/22
- 63.224.226.0/23
- 63.224.231.0/24
- 63.224.232.0/21
- 63.224.240.0/23
- 63.224.248.0/21
- 63.225.0.0/24
- 63.225.4.0/22
- 63.225.8.0/24
- 63.225.18.0/23
- 63.225.28.0/24
- 63.225.29.0/24
- 63.225.32.0/24
- 63.225.37.0/24
- 63.225.38.0/23
- 63.225.41.0/24
- 63.225.42.0/23
- 63.225.44.0/24
- 63.225.62.0/24
- 63.225.72.0/23
- 63.225.72.0/24
- 63.225.73.0/24
- 63.225.76.0/22
- 63.225.80.0/20
- 63.225.96.0/23
- 63.225.98.0/24
- 63.225.100.0/22
- 63.225.104.0/21
- 63.225.112.0/20
- 63.225.124.0/22
- 63.225.131.0/24
- 63.225.132.0/23
- 63.225.138.0/23
- 63.225.140.0/23
- 63.225.144.0/21
- 63.225.152.0/22
- 63.225.161.0/24
- 63.225.162.0/23
- 63.225.164.0/22
- 63.225.168.0/21
- 63.225.172.0/22
- 63.225.176.0/20
- 63.225.192.0/20
- 63.225.208.0/21
- 63.225.218.0/23
- 63.225.220.0/22
- 63.225.224.0/22
- 63.225.228.0/24
- 63.225.240.0/20
- 63.226.10.0/23
- 63.226.12.0/22
- 63.226.16.0/22
- 63.226.20.0/23
- 63.226.22.0/24
- 63.226.36.0/22
- 63.226.44.0/23
- 63.226.48.0/20
- 63.226.66.0/24
- 63.226.81.0/24
- 63.226.92.0/23
- 63.226.96.0/21
- 63.226.104.0/22
- 63.226.108.0/23
- 63.226.128.0/21
- 63.226.140.0/24
- 63.226.143.0/24
- 63.226.144.0/24
- 63.226.152.0/22
- 63.226.156.0/24
- 63.226.165.0/24
- 63.226.173.0/24
- 63.226.174.0/23
- 63.226.176.0/20
- 63.226.192.0/19
- 63.226.196.0/22
- 63.226.224.0/20
- 63.226.240.0/22
- 63.226.248.0/21
- 63.227.0.0/21
- 63.227.8.0/21
- 63.227.17.0/24
- 63.227.18.0/24
- 63.227.20.0/22
- 63.227.30.0/24
- 63.227.32.0/24
- 63.227.33.0/24
- 63.227.34.0/23
- 63.227.38.0/23
- 63.227.40.0/21
- 63.227.48.0/23
- 63.227.54.0/23
- 63.227.56.0/22
- 63.227.60.0/24
- 63.227.62.0/23
- 63.227.64.0/21
- 63.227.72.0/22
- 63.227.79.0/24
- 63.227.80.0/20
- 63.227.96.0/21
- 63.227.104.0/22
- 63.227.108.0/23
- 63.227.112.0/20
- 63.227.128.0/22
- 63.227.134.0/24
- 63.227.136.0/22
- 63.227.140.0/23
- 63.227.144.0/21
- 63.227.180.0/23
- 63.227.186.0/23
- 63.227.190.0/24
- 63.227.195.0/24
- 63.227.208.0/21
- 63.227.216.0/22
- 63.227.221.0/24
- 2001:428::/32
- 2001:460::/32
- 2602::/24
- 2604:8c0::/32
- 2606:5000::/32
- 2606:5000::/39
- 2606:5000:1200::/39
- 2606:5000:1600::/39
- 2606:5000:1800::/39
- 2606:5000:1a00::/39
- 2606:5000:200::/39
- 2606:5000:2000::/39
- 2606:5000:2400::/39
- 2606:5000:2600::/39
- 2606:5000:2e00::/39
- 2606:5000:3000::/39
- 2606:5000:3400::/39
- 2606:5000:3600::/39
- 2606:5000:3800::/39
- 2606:5000:3a00::/39
- 2606:5000:400::/39
- 2606:5000:4000::/39
- 2606:5000:4200::/39
- 2606:5000:4400::/39
- 2606:5000:4a00::/39
- 2606:5000:4c00::/39
- 2606:5000:5a00::/39
- 2606:5000:600::/39
- 2606:5000:800::/39
- 2606:5000:a00::/39
- 2606:5000:e00::/39
- 2620:13d:2060::/46
A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.
Registry record
| Field | Value |
|---|---|
| ASNumber | 209 |
| ASName | CENTURYLINK-US-LEGACY-QWEST |
| ASHandle | 209 |
| RegDate | 1998-11-13 |
| Ref | https://rdap.arin.net/registry/autnum/209 |
| source | ARIN |
| OrgAbuseHandle | CAD54-ARIN |
| OrgAbuseName | Centurylink Abuse Desk |
| OrgAbusePhone | +1-877-886-6515 |
| OrgAbuseEmail | abuse@aup.lumen.com |
| OrgAbuseRef | https://rdap.arin.net/registry/entity/CAD54-ARIN |
| source | ARIN |
| OrgName | CenturyLink Communications, LLC |
| OrgId | CCL-534 |
| Address | 100 CENTURYLINK DR |
| City | Monroe |
| StateProv | LA |
| PostalCode | 71201 |
| Country | US |
| RegDate | 2018-07-12 |
| Comment | USAGE OF IP SPACE MUST COMPLY WITH OUR ACCEPTABLE USE POLICY: |
| Comment | https://www.lumen.com/en-us/about/legal/acceptable-use-policy.html |
| Comment | ADDRESSES COVERED BY THIS ORG-ID ARE NON-PORTABLE ANY ISP ANNOUNCING OR TRANSITING PORTIONS WITHIN OUR RANGES SHOULD NOT RELY ON PRESENTED LOA'S OR OLD WHOIS UNLESS THOSE RANGES ARE ALSO ACTIVELY DIRECTLY ANNOUNCED TO A LUMEN ASN. WITH ALL LOA'S THESE CONDITIONS APPLY: |
| Comment | 1. You are permitted to route the Lumen IP prefixes listed via Public BGP to your alternate ISP from the designated ASN. Any other ASN originating the prefix listed is forbidden. |