Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS209

Announcement observedARIN

CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC · CENTURYLINK-US-LEGACY-QWEST

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/16/2026, 19:34:59Snapshot expired

View network topology RDAP registration

ASN: AS209
Registration country: United States
Name: CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC
Abbreviation: CENTURYLINK-US-LEGACY-QWEST
Registration date: 11/13/1998, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
130.13.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
130.13.160.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
137.107.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
138.210.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
138.210.132.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
138.210.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
138.210.71.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
143.61.91.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
144.163.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
146.174.238.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
148.156.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
149.64.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.14.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.16.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.18.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.22.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
161.203.26.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
162.104.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
162.242.94.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.20.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.240.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.244.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.28.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.36.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.52.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.103.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
168.251.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
173.202.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
173.202.192.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
174.16.0.0/12BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.16.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.17.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.18.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.20.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.21.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.22.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.22.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
174.23.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/16/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC
RIR: ARIN
Registration country: United States
Registration date: 11/13/1998, 05:00:00
Abuse contact: abuse@aup.lumen.com

Snapshot trend

10/16/2026, 19:34:591588 v432 v61 Upstream · 0 Uncertain

10/11/2026, 04:27:251590 v432 v61 Upstream · 0 Uncertain

10/8/2026, 11:45:391590 v432 v61 Upstream · 0 Uncertain

9/29/2026, 06:12:231590 v432 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap