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Sistema Autónomo

AS13979

AT&T Enterprises, LLC

IPs anunciadas
15,360
Prefijos CIDR
4
ASN
AS13979

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.

58/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Isp allocation +5
  • Trust score 58 / 100

Experimental · trust-vectors model v1.1.0 — 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.

Founded
1983
Headquarters
San Antonio
Industry
telecommunications
Employees
273,000

⚠ 2 Prefijo MOASes — múltiples ASNs de origen detectados

Todas las anomalías MOAS →

Un prefijo previamente estable originado por AS13979 es ahora también anunciado por otro ASN (MOAS — Multiple-Origin AS), detectado por nuestros colectores RIPE RIS. A menudo es benigno (anycast, multi-homing o una transferencia reciente), pero puede indicar una fuga de ruta o un secuestro de prefijo, por lo que vale la pena investigarlo.

PrefijoASNs de origenÚltima detección (UTC)
204.10.159.0/24 AS13979, AS30016 2026-07-22 23:23:24
15.8.64.0/18 AS8035, AS13979 2026-07-22 21:23:23

Principales rangos CIDR

CIDRIPsPTR DensityOrganizaciónPaísStateCity
15.8.64.0/18 16.4K
0.0%
AT&T Enterprises, LLC US
55.224.192.0/18 16.4K
0.0%
AT&T Enterprises, LLC US
15.4.64.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
15.12.96.0/19 8.2K
0.5%
AT&T Enterprises, LLC US
55.224.32.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
55.224.160.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
15.4.112.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
15.12.80.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
55.224.112.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
55.224.144.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
15.4.104.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
15.12.64.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
55.224.104.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
55.224.136.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
15.4.100.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
15.12.76.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
55.224.92.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
15.4.98.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.2.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.4.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.10.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.84.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.90.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.100.0/23 512
0.0%
AT&T Enterprises, LLC US
15.4.96.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.0.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.6.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.9.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.81.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.83.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.87.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.89.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.97.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.99.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.102.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.128.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.135.0/24 256
0.0%
AT&T Enterprises, LLC US

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS13979 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.

PrefixMuestras de anuncioÚltima vez visto
15.8.64.0/18 13,174 2026-07-23 06:03:17
15.0.64.0/18 13,101 2026-07-23 06:03:41
55.224.0.0/16 10,524 2026-07-16 21:21:00
15.4.64.0/18 6,360 2026-07-18 09:53:15
15.12.64.0/18 4,734 2026-07-23 06:03:43
55.65.125.0/24 4,173 2026-07-02 16:42:25
55.65.128.0/24 4,169 2026-07-02 16:42:25
55.65.129.0/24 4,166 2026-07-02 16:42:25
55.65.126.0/24 4,162 2026-07-02 16:42:25
55.65.120.0/24 4,159 2026-07-02 16:42:25
55.65.124.0/24 4,159 2026-07-02 16:42:25
55.65.121.0/24 4,157 2026-07-02 16:42:25
55.65.122.0/24 4,156 2026-07-02 16:42:25
55.65.123.0/24 4,153 2026-07-02 16:42:25
55.65.127.0/24 4,151 2026-07-02 16:42:25
132.80.230.0/24 2,550 2026-07-16 17:58:26
132.80.64.0/21 2,545 2026-07-16 17:58:26
132.134.40.0/21 2,513 2026-07-16 17:58:26
132.122.40.0/21 2,472 2026-07-16 17:58:26
55.15.212.0/23 2,262 2026-07-16 17:58:26
55.15.210.0/23 2,258 2026-07-16 17:58:26
132.80.224.0/24 2,137 2026-07-16 17:58:26
55.70.10.0/24 2,120 2026-06-17 15:32:32
55.70.70.0/24 2,120 2026-06-17 15:32:32
55.70.130.0/24 2,120 2026-06-17 15:32:32
55.70.13.0/24 2,116 2026-06-17 15:32:32
55.81.0.0/16 2,116 2026-07-16 17:58:26
55.70.11.0/24 2,114 2026-06-17 15:32:32
55.70.19.0/24 2,108 2026-06-17 15:32:32
55.70.15.0/24 2,107 2026-06-17 15:32:32
55.70.75.0/24 2,107 2026-06-17 15:32:32
55.70.35.0/24 2,107 2026-06-17 15:32:32
55.70.12.0/24 2,105 2026-06-17 15:32:32
55.70.16.0/24 2,104 2026-06-17 15:32:32
55.70.17.0/24 2,103 2026-06-17 15:32:32
55.70.18.0/24 2,101 2026-06-17 15:32:32
55.70.14.0/24 2,101 2026-06-17 15:32:32
55.70.178.0/24 2,101 2026-06-17 15:32:32
132.130.253.0/24 1,776 2026-07-16 17:59:12
132.130.48.0/21 1,743 2026-07-16 17:59:12
132.130.198.0/24 1,737 2026-07-16 17:59:12
132.130.12.0/24 1,729 2026-07-16 17:59:12
214.44.136.0/24 1,550 2026-06-09 02:24:00
55.65.0.0/16 1,492 2026-06-17 15:22:47
55.70.0.0/16 1,491 2026-06-17 15:22:47
55.19.0.0/16 1,487 2026-06-17 15:22:47
204.10.158.0/24 863 2026-07-23 05:28:16
204.10.159.0/24 860 2026-07-23 05:28:16
132.102.198.0/24 90 2026-07-16 17:48:55
132.102.253.0/24 90 2026-07-16 17:48:55

Mostrando los principales 50 of 51 prefijos anunciados por volumen de muestra.

Frequently Asked Questions

¿Qué es AS13979?

AS13979 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 AS13979?

AS13979 anuncia 15.4K direcciones IPv4 distribuidas en 4 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS13979?

AS13979 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 AS13979?

AS13979 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.

Última actualización: 2026-07-23 06:10:36 UTC
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