Data as of Nov 3, 2026
Autonomous system
AS19957
AT&T Enterprises, LLC
Announces 423,936 addresses in 54 prefixes. None of it is anonymizer space.
Type
Education
US
Proxy activity, 30 days
18 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 12.165.35.0/24 since Aug 2026 | Business | |||
| 12.204.192.0/20 since Jun 2025 | Business | |||
| 12.204.201.0/24 since Apr 2021 | Business | |||
| 12.204.206.0/24 since Aug 2016 | Business | |||
| 12.204.208.0/20 since Jun 2025 | Business | 2 | ||
| 12.204.208.0/24 since Jun 2021 | Business | |||
| 12.204.209.0/24 since Jun 2021 | Business | |||
| 12.204.216.0/21 since Jun 2021 | Business | 2 | ||
| 12.230.239.0/24 since Aug 2026 | Business | |||
| 64.79.176.0/21 since May 2021 | Business | 4 | Southwest Tennessee Community College | |
| 65.82.99.0/24 since Aug 2026 | Business | |||
| 66.4.0.0/16 since Aug 2016 | Business | 1 | State of Tennessee Department of Education | |
| 66.4.8.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.9.0/24 since Feb 2023 | Business | State of Tennessee Department of Education | ||
| 66.4.14.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.16.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.18.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.18.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.19.0/24 since Feb 2022 | Business | State of Tennessee Department of Education | ||
| 66.4.27.0/24 since Feb 2023 | Business | State of Tennessee Department of Education | ||
| 66.4.28.0/22 since Apr 2021 | Business | 1 | State of Tennessee Department of Education | |
| 66.4.32.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.38.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.40.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.60.0/23 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.78.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.81.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.124.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 66.4.126.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 68.156.24.0/21 since Aug 2026 | Business | |||
| 68.156.24.0/23 since Aug 2026 | Business | |||
| 68.156.26.0/23 since Aug 2026 | Business | |||
| 68.156.28.0/23 since Aug 2026 | Business | |||
| 70.150.21.0/24 since Jan 2009 | Business | |||
| 70.150.247.0/24 since Jun 2021 | Business | |||
| 70.150.248.0/21 since Aug 2026 | Business | |||
| 70.158.144.0/20 since Aug 2026 | Business | |||
| 72.158.184.0/24 since Jun 2007 | Business | |||
| 72.159.76.0/24 since Jul 2021 | Business | |||
| 74.252.160.0/20 since Aug 2026 | Business | |||
| 74.254.176.0/22 since Aug 2026 | Business | |||
| 74.254.180.0/24 since Aug 2026 | Business | |||
| 170.141.56.0/23 since Dec 2008 | Business | State of Tennessee | ||
| 170.141.60.0/23 since May 2021 | Business | State of Tennessee | ||
| 170.142.0.0/16 since Aug 2016 | Business | 3 | State of Tennessee | |
| 170.143.0.0/16 since Aug 2016 | Business | State of Tennessee | ||
| 198.146.0.0/16 since May 2021 | Business | 11 | Tennessee Board of Regents | |
| 206.23.0.0/16 since May 2021 | Business | 1 | Tennessee Board of Regents | |
| 208.63.128.0/20 since Jun 2025 | Business | |||
| 208.63.128.0/24 since May 2005 | Business | |||
| 208.63.129.0/24 since Jul 2021 | Business | |||
| 208.182.0.0/16 since Aug 2016 | Business | State of Tennessee Department of Education | ||
| 208.182.101.0/24 since Apr 2021 | Business | State of Tennessee Department of Education | ||
| 208.182.124.0/24 since Apr 2021 | Business | State of Tennessee Department of Education |
Residential-proxy exposure
Spread
8
/24s with at least one exit
Providers
21
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 198.146.105.0/24 | 0 | 11 | |
| 64.79.180.0/24 | 0 | 3 | |
| 170.142.177.0/24 | 0 | 3 | |
| 12.204.218.0/24 | 0 | 1 | |
| 12.204.220.0/24 | 0 | 1 | |
| 64.79.182.0/24 | 0 | 1 | |
| 66.4.29.0/24 | 0 | 1 | |
| 206.23.6.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- AnyIP
- B2Proxy
- Byteful
- ColaProxy
- DataImpulse
- EnigmaProxy
- FastProxy
- FloppyData
- IPFly
- IPPeak
- LemonBright
- NovaProxy
- ProxyEmpire
- ProxyRack
- Proxying
- RainProxy
- RolaProxy
- Shifter
- Thordata
- VantageProxies
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS19957, day by day
447 observations
Network & history
Profile
- Registered
- Mar 5, 2003
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
Routing patterns
How its announcements have moved
Arrivals