Autonomous System

AS209 · Lumen AS209

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

bgp.tools RIPEstat

Announced IPs

26.25M

IPv4

IPv4 Prefixes

1,629

IPv6 Prefixes

Hosted Domains

15,043

resolve into this AS

Peers

Customers

398

AS Profile

AS Name

Lumen AS209

Also known as

Centurylink/Qwest

AS Type

NSP

Scope

North America

Website

http://www.lumen.com

RIR

ARIN

Country

Allocated

1998-11-13

RPKI Validity

Total ROAs

384

Valid Prefixes

NotFound

1,655

Announced (BGP)

1,663

RPKI Coverage

0.5%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

304,764

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port	Open IPs
7547	68,060
4567	20,094
443	6,922
5101	3,292
80	2,652
22	1,422
7676	1,305
53	989
5000	798
1024	419
8080	334
179	320
32400	245
8000	229
2000	221

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.