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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
276,992
Total IPv4 Prefixes
84
Total IPv6 Prefixes
12
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#907 out of 79,083
Registry
Arin
Registered Country
US flagUS
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).

PrefixRange FromRange To
12.204.192.0/2112.204.192.012.204.199.255
12.204.200.0/2412.204.200.012.204.200.255
12.204.201.0/2412.204.201.012.204.201.255
12.204.202.0/2312.204.202.012.204.203.255
12.204.204.0/2312.204.204.012.204.205.255
Showing 5 of 84
IPv6 Active Prefixes
PrefixRange FromRange To
2604:f980:2100::/442604:f980:2100::2604:f980:210f:ffff:ffff:ffff:ffff:ffff
2604:f980:2500::/442604:f980:2500::2604:f980:250f:ffff:ffff:ffff:ffff:ffff
2604:f980:2600::/402604:f980:2600::2604:f980:26ff:ffff:ffff:ffff:ffff:ffff
2604:f980:2d00::/402604:f980:2d00::2604:f980:2dff:ffff:ffff:ffff:ffff:ffff
2604:f980:3000::/362604:f980:3000::2604:f980:3fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 12