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ASN Lookup Tool
AS19957 STATE-OF-TENNESSEE-NETTN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS19957
Organisation
AT&T Enterprises, LLC
Name
STATE-OF-TENNESSEE-NETTN
Total IPv4 Addresses
268,288
Total IPv4 Prefixes
74
Total IPv6 Prefixes
13
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#911 out of 78,672
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2003-03-05
Registration Last Change
2025-02-12
Receiving From

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

ASN
Organisation
AS16473
US flagAT&T Enterprises, LLC
AS7018
US flagAT&T Enterprises, LLC
IPv4 Active Prefixes

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

Prefix12.204.201.0/24
Range From12.204.201.0
Range To12.204.201.255
Prefix12.204.206.0/24
Range From12.204.206.0
Range To12.204.206.255
Prefix12.204.208.0/24
Range From12.204.208.0
Range To12.204.208.255
Prefix12.204.209.0/24
Range From12.204.209.0
Range To12.204.209.255
Prefix12.204.216.0/21
Range From12.204.216.0
Range To12.204.223.255
Showing 5 of 74
IPv6 Active Prefixes
Prefix2604:f980:2100::/44
Range From2604:f980:2100::
Range To2604:f980:210f:ffff:ffff:ffff:ffff:ffff
Prefix2604:f980:2500::/44
Range From2604:f980:2500::
Range To2604:f980:250f:ffff:ffff:ffff:ffff:ffff
Prefix2604:f980:2600::/40
Range From2604:f980:2600::
Range To2604:f980:26ff:ffff:ffff:ffff:ffff:ffff
Prefix2604:f980:2d00::/40
Range From2604:f980:2d00::
Range To2604:f980:2dff:ffff:ffff:ffff:ffff:ffff
Prefix2604:f980:3000::/36
Range From2604:f980:3000::
Range To2604:f980:3fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 13