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ASN Lookup Tool
AS6431 ATT-RESEARCH

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS6431
Organisation
AT&T Enterprises, LLC
Name
ATT-RESEARCH
Total IPv4 Addresses
197,376
Total IPv4 Prefixes
8
Total IPv6 Prefixes
14
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,149 out of 79,740
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2025-03-18
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
12.106.32.0/2312.106.32.012.106.33.255
135.197.0.0/17135.197.0.0135.197.127.255
135.197.128.0/17135.197.128.0135.197.255.255
135.205.0.0/17135.205.0.0135.205.127.255
135.205.128.0/17135.205.128.0135.205.255.255
Showing 5 of 8
IPv6 Active Prefixes
PrefixRange FromRange To
2620:0:f00::/482620:0:f00::2620:0:f00:ffff:ffff:ffff:ffff:ffff
2620:0:f01::/482620:0:f01::2620:0:f01:ffff:ffff:ffff:ffff:ffff
2620:0:f02::/472620:0:f02::2620:0:f03:ffff:ffff:ffff:ffff:ffff
2620:0:f04::/462620:0:f04::2620:0:f07:ffff:ffff:ffff:ffff:ffff
2620:0:f08::/452620:0:f08::2620:0:f0f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 14