Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About AT&T
AT&T Inc., an abbreviation of its predecessor's original name, the American Telephone and Telegraph Company, is an American multinational telecommunications company headquartered at the Whitacre Tower in Downtown Dallas, Texas. AT&T is the world's third-largest telecommunications company by revenue, the third-largest wireless carrier in the United States behind T-Mobile and Verizon, and the nation's largest fiber internet provider.
Principales rangos CIDR
Prefijos BGP anunciados
Anomalías BGP en vivo →Prefijos AS19957 se origina realmente en BGP, observado a través de nuestros colectores RIPE RIS. Esta vista de enrutamiento en vivo puede diferir de la asignación de registro anterior.
| Prefix | Muestras de anuncio | Última vez visto |
|---|---|---|
| 66.4.27.0/24 | 20,558 | 2026-07-27 18:52:57 |
| 66.4.32.0/23 | 9,518 | 2026-07-27 18:52:55 |
| 66.4.126.0/24 | 8,311 | 2026-07-27 18:52:55 |
| 66.4.81.0/24 | 8,302 | 2026-07-27 18:52:55 |
| 66.4.40.0/24 | 8,284 | 2026-07-27 18:52:55 |
| 66.4.18.0/24 | 8,283 | 2026-07-27 18:52:55 |
| 66.4.16.0/23 | 8,274 | 2026-07-27 18:52:55 |
| 66.4.38.0/24 | 8,252 | 2026-07-27 18:52:55 |
| 66.4.78.0/24 | 8,245 | 2026-07-27 18:52:55 |
| 66.4.19.0/24 | 6,825 | 2026-07-27 18:42:59 |
| 12.204.201.0/24 | 6,816 | 2026-07-27 18:40:11 |
| 12.204.206.0/24 | 5,458 | 2026-07-27 18:40:11 |
| 12.204.209.0/24 | 5,439 | 2026-07-27 18:40:11 |
| 12.204.208.0/20 | 5,423 | 2026-07-27 18:40:11 |
| 12.204.208.0/24 | 5,414 | 2026-07-27 18:40:11 |
| 66.4.9.0/24 | 5,409 | 2026-07-27 18:42:59 |
| 66.4.60.0/23 | 5,376 | 2026-07-27 18:52:55 |
| 66.4.0.0/16 | 5,362 | 2026-07-27 18:52:55 |
| 66.4.124.0/24 | 5,346 | 2026-07-27 18:52:55 |
| 66.4.14.0/23 | 5,340 | 2026-07-27 18:52:55 |
| 12.204.216.0/21 | 5,335 | 2026-07-27 18:52:55 |
| 66.4.28.0/22 | 5,312 | 2026-07-27 18:52:55 |
| 66.4.18.0/23 | 5,236 | 2026-07-27 18:42:57 |
| 66.4.8.0/23 | 5,221 | 2026-07-27 18:42:57 |
| 170.141.56.0/23 | 5,208 | 2026-07-27 18:43:01 |
| 208.182.124.0/24 | 5,201 | 2026-07-27 18:52:55 |
| 208.182.0.0/16 | 5,187 | 2026-07-27 18:52:55 |
| 170.141.60.0/23 | 5,173 | 2026-07-27 18:43:01 |
| 208.182.101.0/24 | 5,171 | 2026-07-27 18:52:55 |
| 170.142.0.0/16 | 5,164 | 2026-07-27 18:42:57 |
| 170.143.0.0/16 | 5,154 | 2026-07-27 18:42:57 |
| 206.23.0.0/16 | 5,145 | 2026-07-27 18:52:55 |
| 64.79.176.0/21 | 5,144 | 2026-07-27 18:42:57 |
| 198.146.0.0/16 | 5,130 | 2026-07-27 18:52:55 |
| 12.204.192.0/20 | 4,083 | 2026-07-27 18:40:11 |
| 72.159.76.0/24 | 3,726 | 2026-07-27 18:42:57 |
| 72.158.184.0/24 | 3,723 | 2026-07-27 18:42:57 |
| 70.150.21.0/24 | 3,704 | 2026-07-27 18:43:01 |
| 70.150.247.0/24 | 3,694 | 2026-07-27 18:43:01 |
| 208.63.128.0/20 | 3,688 | 2026-07-27 18:43:09 |
| 208.63.129.0/24 | 3,668 | 2026-07-27 18:43:10 |
| 208.63.128.0/24 | 3,615 | 2026-07-27 18:42:57 |
Frequently Asked Questions
¿Qué es AS19957?
AS19957 es un Número de Sistema Autónomo asignado a AT&T Enterprises, LLC. Un ASN identifica una red que controla un conjunto específico de direcciones IP y determina cómo se enruta el tráfico a través de internet mediante BGP (Border Gateway Protocol).
¿Cuántas direcciones IP anuncia AS19957?
AS19957 anuncia 276.7K direcciones IPv4 distribuidas en 17 prefijos CIDR enrutados. La red está registrada en United States.
¿Quién opera AS19957?
AS19957 es operado por AT&T Enterprises, LLC. La organización tiene su sede en United States. Puedes ver todos los rangos de IP y los ASNs relacionados en la página de la organización.
¿En qué país está registrado AS19957?
AS19957 está registrado en United States. Esto indica dónde tiene su sede el operador de red, aunque las direcciones IP que anuncia pueden servir a usuarios a nivel global.
