Autonomous System

AS4911 CenturyLink Communications, LLC

ISPActiveUnited StatesARIN

AS4911 (CENTURYLINK-LEGACY-QWEST-SPA-MARION) is an ISP network operated by CenturyLink Communications, LLC in United States, registered with ARIN. It has 1 IPv4 prefix with 16,384 addresses, which makes it the 7,713th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses16,384in 1 prefix
IPv6 prefixes0none
Size rank#7,713of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCenturyLink Communications, LLC
AS nameCENTURYLINK-LEGACY-QWEST-SPA-MARION
Websitecenturylink.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@aup.lumen.com
Registered1995-05-04
Last updated2018-10-04

IPv4 prefixes

1 prefix · 16,384 addresses
NetworkAddressesFirst – last address
168.251.0.0/1816,384168.251.0.0 – 168.251.63.255

IPv6 prefixes

No IPv6 prefixes.

Query AS4911 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=AS4911&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS4911, with or without a key:

curl "https://api.ipapi.is/?q=168.251.0.1"

Other networks of CenturyLink Communications, LLC

6 of 15
AS209 CenturyLink Communications, LLC26,233,600 IPv4 addressesAS3561 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 addresses

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