Autonomous System
AS4015 CenturyLink Communications, LLC
ISPActiveUnited StatesARIN
AS4015 (CENTURYLINK-LEGACY-QWEST-SPA-OMAHA) is an ISP network operated by CenturyLink Communications, LLC in United States, registered with ARIN. It has 4 IPv4 prefixes with 14,336 addresses and 1 IPv6 prefix, which makes it the 8,377th largest of 82,534 active autonomous systems by IPv4 space.
IPv4 addresses14,336in 4 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#8,377of 82,534 active ASNs
Details
OrganizationCenturyLink Communications, LLC
AS nameCENTURYLINK-LEGACY-QWEST-SPA-OMAHA
Websitecenturylink.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@aup.lumen.com
Registered1994-11-10
Last updated2018-10-04
IPv4 prefixes
4 prefixes · 14,336 addresses| Network | Addresses | First – last address |
|---|---|---|
| 155.70.16.0/20 | 4,096 | 155.70.16.0 – 155.70.31.255 |
| 155.70.48.0/20 | 4,096 | 155.70.48.0 – 155.70.63.255 |
| 155.70.64.0/20 | 4,096 | 155.70.64.0 – 155.70.79.255 |
| 148.156.208.0/21 | 2,048 | 148.156.208.0 – 148.156.215.255 |
155.70.16.0/20 155.70.48.0/20 155.70.64.0/20 148.156.208.0/21
IPv6 prefixes
1 prefix- 2001:428:b21::/48
2001:428:b21::/48
Query AS4015 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=AS4015&key=YOUR_API_KEY"Any address in its prefixes resolves to AS4015, with or without a key:
curl "https://api.ipapi.is/?q=155.70.16.1"Other networks of CenturyLink Communications, LLC
6 of 14AS209 CenturyLink Communications, LLC26,232,064 IPv4 addressesAS3561 CenturyLink Communications, LLC7,450,624 IPv4 addressesAS22561 CenturyLink Communications, LLC1,419,008 IPv4 addressesAS2379 CenturyLink Communications, LLC689,408 IPv4 addressesAS11398 CenturyLink Communications, LLC172,288 IPv4 addressesAS17402 CenturyLink Communications, LLC68,864 IPv4 addresses
Largest networks in United States
AS749 United States Department of Defense (DoD)227,398,400 IPv4 addressesAS16509 Amazon.com, Inc.218,442,752 IPv4 addressesAS7018 AT&T Enterprises, LLC117,260,800 IPv4 addressesAS8075 Microsoft Corporation81,466,624 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,160 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses