AS209 Lumen (ex. Qwest)
- Autonomous system number
- AS209
- Registered in
- US
- Registry
- ARIN
- ASN registered
- 1998-11-13
- IPv4 prefixes announced
- 1,585
- IPv6 prefixes announced
- 32
- Internet exchanges
- 0
- Data centres
- 0
- Internet users (estimate)
- ~3,502,820
- Company
- Qwest
Prefix counts from the global routing table as of 2026-10-03. Exchange and data-centre counts are what the network lists in PeeringDB. User estimate by APNIC Labs, 2026-09-30. Company facts from Wikidata. Website: www.lumen.com
Cloud peering programs
Azure ExpressRoute connectivity provider: Microsoft lists CenturyLink (Connectivity provider) - expressroute peering locations: LHR. Checked 2026-10-03.
Source: ExpressRoute peering locations and connectivity partners, Microsoft Learn, licensed CC BY 4.0. Reformatted by BGPScout; the network and facility matches are ours.
Azure ExpressRoute connectivity provider: Microsoft lists Lumen (CenturyLink Cloud Connect) (Connectivity provider) - expressroute peering locations: AMS, ATL, BOG, CDG, DEN, DUB, FRA, HKG, IAD, JFK, LAS, LHR, MSP, NRT, ORD, PHX, SAT, SEA, SIN, SJC, SYD, YUL, YYZ. Checked 2026-10-03.
Source: ExpressRoute peering locations and connectivity partners, Microsoft Learn, licensed CC BY 4.0. Reformatted by BGPScout; the network and facility matches are ours.
Upstreams and peers, traceroute paths through it, where it hands off to its transit providers, routing history and alerts - free with an account, and queryable from Claude, ChatGPT and other AI agents through the BGPScout MCP server.
Open the full network page