Autonomous System
AS11712 AT&T Services, Inc.
ISPActiveUnited StatesARIN
AS11712 (BELLSOUTH) is an ISP network operated by AT&T Services, Inc. in United States, registered with ARIN. It has 6 IPv4 prefixes with 30,976 addresses, which makes it the 5,453rd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses30,976in 6 prefixes
IPv6 prefixes0none
Size rank#5,453of 82,200 active ASNs
Details
OrganizationAT&T Services, Inc.
AS nameBELLSOUTH
Websiteatt.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@att.net
Registered1998-11-23
Last updated2013-12-10
IPv4 prefixes
6 prefixes · 30,976 addresses| Network | Addresses | First – last address |
|---|---|---|
| 139.76.64.0/18 | 16,384 | 139.76.64.0 – 139.76.127.255 |
| 139.76.224.0/19 | 8,192 | 139.76.224.0 – 139.76.255.255 |
| 72.157.240.0/21 | 2,048 | 72.157.240.0 – 72.157.247.255 |
| 72.157.248.0/21 | 2,048 | 72.157.248.0 – 72.157.255.255 |
| 139.76.8.0/21 | 2,048 | 139.76.8.0 – 139.76.15.255 |
| 139.76.53.0/24 | 256 | 139.76.53.0 – 139.76.53.255 |
139.76.64.0/18 139.76.224.0/19 72.157.240.0/21 72.157.248.0/21 139.76.8.0/21 139.76.53.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS11712 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=AS11712&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS11712, with or without a key:
curl "https://api.ipapi.is/?q=139.76.64.1"
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