The IP API The IP API
// ASN

AS209

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

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS209
Organization
CenturyLink Communications, LLC
Description
CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US
Country
US
State / Region
LA
City
Monroe
Address
100 CENTURYLINK DR
Registry (RIR)
ARIN
Created
2018-07-16
Updated
2024-06-17
IPv4 Prefixes
1620
IPv6 Prefixes
32

IPv4 Prefixes

1620 total · showing first 10
130.13.128.0/19
130.13.160.0/24
137.107.65.0/24
138.210.0.0/16
138.210.132.0/23
138.210.134.0/24
138.210.71.0/24
143.61.91.0/24
144.163.0.0/16
146.174.238.0/23

IPv6 Prefixes

32 total · showing first 10
2001:428::/32
2001:460::/32
2602::/24
2604:8c0::/32
2606:5000:1200::/39
2606:5000:1600::/39
2606:5000:1800::/39
2606:5000:1a00::/39
2606:5000:2000::/39
2606:5000:200::/39

What is AS209?

AS209 is an Autonomous System Number (ASN) assigned to CenturyLink Communications, LLC. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.