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

15,124

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.

307,682

Top Open Ports

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

Port	Open IPs
7547	70,177
4567	20,700
443	7,115
5101	3,373
80	2,741
22	1,455
7676	1,341
53	1,026
5000	825
1024	439
8080	339
179	333
32400	257
8000	239
2000	233

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.