ASN Lookup Tool
AS20057 ATT-MOBILITY-LLC-AS20057

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS20057
Organisation
AT&T Mobility LLC
Name
ATT-MOBILITY-LLC-AS20057
Total IPv4 Addresses
4168353
Total IPv4 Prefixes
2012
Total IPv6 Prefixes
196
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#126 out of 76,964
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2001-03-20
Registration Last Change
2012-03-20
Receiving From

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

ASN
Organisation
US flagAT&T Services, Inc.
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
WORLD flagPrivate Use AS
IPv4 Active Prefixes

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

Range From12.72.0.0
Range From12.73.0.0
Range From32.176.0.0
Showing 5 of 2012
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.