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ASN Lookup Tool
AS6381 BELLSOUTH-NET-BLK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS6381
Organisation
AT&T Corp.
Name
BELLSOUTH-NET-BLK
Total IPv4 Addresses
4597
Total IPv4 Prefixes
5
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#14,878 out of 77,303
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1996-03-28
Registration Last Change
2018-12-06
Receiving From

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

ASN
Organisation
AS6389
US flagAT&T Corp.
IPv4 Active Prefixes

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

Prefix209.214.128.0/21
Range From209.214.128.0
Range To209.214.135.255
Prefix209.214.140.0/22
Range From209.214.140.0
Range To209.214.143.255
Prefix209.215.223.0/24
Range From209.215.223.0
Range To209.215.223.255
Prefix209.215.227.0/24
Range From209.215.227.0
Range To209.215.227.255
Prefix216.78.92.0/22
Range From216.78.92.0
Range To216.78.95.255
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.