Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS19957

Announcement observedARIN

STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC · STATE-OF-TENNESSEE-NETTN

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/1/2026, 04:13:02Snapshot expired

View network topology RDAP registration

ASN: AS19957
Registration country: United States
Name: STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC
Abbreviation: STATE-OF-TENNESSEE-NETTN
Registration date: 3/5/2003, 15:09:22
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
12.165.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.201.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.206.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.208.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.209.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.204.216.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
12.230.239.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
170.141.56.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
170.141.60.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
170.142.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
170.143.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
198.146.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
206.23.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.182.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.182.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.182.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.63.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.63.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.63.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
64.79.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
65.82.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.14.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.16.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.18.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.28.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.32.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.40.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.60.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.78.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.8.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.4.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
68.156.24.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
68.156.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
68.156.26.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
68.156.28.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
70.150.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
70.150.247.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
70.150.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
70.158.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
72.158.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/17/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC
RIR: ARIN
Registration country: United States
Registration date: 3/5/2003, 15:09:22
Abuse contact: abuse@att.net

Snapshot trend

10/1/2026, 04:13:0254 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap