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ASN Lookup Tool
AS11712 BELLSOUTH

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS11712
Organisation
AT&T Services, Inc.
Name
BELLSOUTH
Total IPv4 Addresses
32256
Total IPv4 Prefixes
8
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,153 out of 77,436
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1998-11-23
Registration Last Change
2013-12-10
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS6389
US flagAT&T Corp.
AS797
US flagAT&T Services, Inc.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix72.157.216.0/22
Range From72.157.216.0
Range To72.157.219.255
Prefix72.157.220.0/24
Range From72.157.220.0
Range To72.157.220.255
Prefix72.157.240.0/21
Range From72.157.240.0
Range To72.157.247.255
Prefix72.157.248.0/21
Range From72.157.248.0
Range To72.157.255.255
Prefix139.76.8.0/21
Range From139.76.8.0
Range To139.76.15.255
Showing 5 of 8
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.