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
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

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
NetworkAddressesFirst – last address
139.76.64.0/1816,384139.76.64.0 – 139.76.127.255
139.76.224.0/198,192139.76.224.0 – 139.76.255.255
72.157.240.0/212,04872.157.240.0 – 72.157.247.255
72.157.248.0/212,04872.157.248.0 – 72.157.255.255
139.76.8.0/212,048139.76.8.0 – 139.76.15.255
139.76.53.0/24256139.76.53.0 – 139.76.53.255

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"

Other networks of AT&T Services, Inc.

AS797 AT&T Services, Inc.171,264 IPv4 addresses

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