Autonomous System

AS209 CenturyLink Communications, LLC

ISPActiveUnited StatesARIN

AS209 (CENTURYLINK-US-LEGACY-QWEST) is an ISP network operated by CenturyLink Communications, LLC in United States, registered with ARIN. It has 1,588 IPv4 prefixes with 26,233,600 addresses and 32 IPv6 prefixes, which makes it the 21st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses26,233,600in 1,588 prefixes
IPv6 prefixes32≈ 2.1 × 10³¹ addresses
Size rank#21of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationCenturyLink Communications, LLC
AS nameCENTURYLINK-US-LEGACY-QWEST
Websitecenturylink.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@aup.lumen.com
Registered1998-11-13
Last updated2018-10-04

IPv4 prefixes

1,588 prefixes · 26,233,600 addresses
NetworkAddressesFirst – last address
65.128.0.0/112,097,15265.128.0.0 – 65.159.255.255
63.144.0.0/121,048,57663.144.0.0 – 63.159.255.255
63.224.0.0/121,048,57663.224.0.0 – 63.239.255.255
65.112.0.0/121,048,57665.112.0.0 – 65.127.255.255
71.208.0.0/121,048,57671.208.0.0 – 71.223.255.255
75.160.0.0/121,048,57675.160.0.0 – 75.175.255.255
97.112.0.0/121,048,57697.112.0.0 – 97.127.255.255
174.16.0.0/121,048,576174.16.0.0 – 174.31.255.255
67.0.0.0/13524,28867.0.0.0 – 67.7.255.255
67.128.0.0/13524,28867.128.0.0 – 67.135.255.255
67.232.0.0/13524,28867.232.0.0 – 67.239.255.255
71.32.0.0/13524,28871.32.0.0 – 71.39.255.255
71.48.0.0/13524,28871.48.0.0 – 71.55.255.255
76.0.0.0/13524,28876.0.0.0 – 76.7.255.255
184.0.0.0/13524,288184.0.0.0 – 184.7.255.255
184.96.0.0/13524,288184.96.0.0 – 184.103.255.255
65.100.0.0/14262,14465.100.0.0 – 65.103.255.255
70.56.0.0/14262,14470.56.0.0 – 70.59.255.255
71.0.0.0/14262,14471.0.0.0 – 71.3.255.255
184.156.0.0/14262,144184.156.0.0 – 184.159.255.255
205.168.0.0/14262,144205.168.0.0 – 205.171.255.255
208.44.0.0/14262,144208.44.0.0 – 208.47.255.255
65.40.0.0/15131,07265.40.0.0 – 65.41.255.255
67.40.0.0/15131,07267.40.0.0 – 67.41.255.255
67.76.0.0/15131,07267.76.0.0 – 67.77.255.255
The 25 largest of 1,588. The API and the database have all of them.

IPv6 prefixes

32 prefixes
  • 2602::/24
  • 2001:428::/32
  • 2001:460::/32
  • 2604:8c0::/32
  • 2606:5000::/32
  • 2606:5000::/39
  • 2606:5000:200::/39
  • 2606:5000:400::/39
  • 2606:5000:600::/39
  • 2606:5000:800::/39
  • 2606:5000:a00::/39
  • 2606:5000:e00::/39
  • 2606:5000:1200::/39
  • 2606:5000:1600::/39
  • 2606:5000:1800::/39
  • 2606:5000:1a00::/39
  • 2606:5000:2000::/39
  • 2606:5000:2400::/39
  • 2606:5000:2600::/39
  • 2606:5000:2e00::/39
  • 2606:5000:3000::/39
  • 2606:5000:3400::/39
  • 2606:5000:3600::/39
  • 2606:5000:3800::/39
  • 2606:5000:3a00::/39
The 25 largest of 32. The API and the database have all of them.

Query AS209 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS209&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS209, with or without a key:

curl "https://api.ipapi.is/?q=65.128.0.1"

Other networks of CenturyLink Communications, LLC

6 of 15
AS3561 CenturyLink Communications, LLC7,430,912 IPv4 addressesAS22561 CenturyLink Communications, LLC1,429,504 IPv4 addressesAS2379 CenturyLink Communications, LLC689,408 IPv4 addressesAS11398 CenturyLink Communications, LLC172,288 IPv4 addressesAS17402 CenturyLink Communications, LLC68,864 IPv4 addressesAS14921 CenturyLink Communications, LLC61,952 IPv4 addresses

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