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ASN Lookup Tool
AS13979 ATT-IPFR

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS13979
Organisation
AT&T Services, Inc.
Name
ATT-IPFR
Total IPv4 Addresses
137881
Total IPv4 Prefixes
186
Total IPv6 Prefixes
108
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,493 out of 76,307
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-09-28
Registration Last Change
2012-03-02
Receiving From

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

ASN
Organisation
AS4151
US flagUSDA
AS7018
US flagAT&T Services, Inc.
AS367
US flagDoD Network Information Center
AS306
US flagDoD Network Information Center
AS2152
US flagCalifornia State University, Office of the Chanc..
Transit To

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

 

ASN
Organisation
AS65000
WORLD flagPrivate Use AS
AS2576
US flagU. S. Department of Transportation
AS14298
US flagEnvironmental Protection Agency
AS362
US flagDoD Network Information Center
AS10754
US flagFederal Reserve Board
IPv4 Active Prefixes

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

Prefix107.116.136.0/21
Range From107.116.136.0
Range To107.116.143.255
Prefix107.116.31.0/24
Range From107.116.31.0
Range To107.116.31.255
Prefix107.116.32.0/21
Range From107.116.32.0
Range To107.116.39.255
Prefix107.117.60.0/24
Range From107.117.60.0
Range To107.117.60.255
Prefix107.117.61.0/24
Range From107.117.61.0
Range To107.117.61.255
Showing 5 of 186
IPv6 Active Prefixes
Prefix2600:381:3900::/40
Range From2600:381:3900::
Range To2600:381:39ff:ffff:ffff:ffff:ffff:ffff
Prefix2600:387:14::/48
Range From2600:387:14::
Range To2600:387:14:ffff:ffff:ffff:ffff:ffff
Prefix2606:ae00:6000::/42
Range From2606:ae00:6000::
Range To2606:ae00:603f:ffff:ffff:ffff:ffff:ffff
Prefix2606:ae00:6040::/42
Range From2606:ae00:6040::
Range To2606:ae00:607f:ffff:ffff:ffff:ffff:ffff
Prefix2606:ae00:6100::/42
Range From2606:ae00:6100::
Range To2606:ae00:613f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 108
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.