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Sistema Autónomo

AS33651

Comcast Cable Communications, LLC

IPs anunciadas
27,392
Prefijos CIDR
56
ASN
AS33651

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
  • Active-threat / abuse risk −12
  • Isp allocation +5
  • Trust score 58 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Xfinity

Comcast Cable Communications, doing business as Xfinity, is an American telecommunications business segment and division of Comcast Corporation. It is used to market consumer cable television, internet, telephone, and wireless services provided by the company.

Founded
1981
Headquarters
Philadelphia
Industry
telecommunications industry

⚠ 44 Prefijo MOASes — múltiples ASNs de origen detectados

Todas las anomalías MOAS →

Un prefijo previamente estable originado por AS33651 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)
107.158.165.0/24 AS33651, AS33667 2026-09-10 18:25:48
107.158.164.0/24 AS33651, AS33667 2026-09-10 18:25:48
16.5.8.0/23 AS33651, AS33667 2026-09-10 18:25:48
107.158.6.0/24 AS33651, AS33667 2026-09-10 18:25:48
74.1.24.0/23 AS33651, AS33667 2026-09-10 18:25:48
71.19.138.0/24 AS33651, AS33667 2026-09-10 18:25:48
71.19.139.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.112.0/21 AS33651, AS33667 2026-09-10 18:25:48
135.132.64.0/19 AS33651, AS33667 2026-09-10 18:25:48
63.246.152.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.48.0/21 AS33651, AS33667 2026-09-10 18:25:48
192.70.238.0/24 AS33651, AS33667 2026-09-10 18:25:48
78.31.206.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.192.0/21 AS33651, AS33667 2026-09-10 18:25:48
198.202.219.0/24 AS33651, AS33667 2026-09-10 18:25:48

Mostrando los 15 más recientemente detectados de 44 prefijos MOAS. Muchos prefijos de origen múltiple en grandes redes son benignos (anycast); ver todas las anomalías MOAS.

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Not Disclosed
Peering policy Restrictive

Principales rangos CIDR

CIDRIPsPTR DensityOrganizaciónPaísStateCity
140.89.64.0/18 16.4K
0.0%
Comcast Cable Communications, LLC US
64.84.96.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California San Jose
64.84.120.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California San Jose
135.132.72.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California Palo Alto
138.226.192.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US Massachusetts Boston
71.19.136.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
74.120.252.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
138.226.196.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US Massachusetts Boston
169.128.80.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.104.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.124.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.204.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.228.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
9.142.118.0/23 512
0.0%
Comcast Cable Communications, LLC US
16.5.8.0/23 512
0.0%
Comcast Cable Communications, LLC US
24.104.72.0/23 512
0.4%
Comcast Cable Communications, LLC US
24.104.138.0/23 512
0.0%
Comcast Cable Communications, LLC US California Angwin
40.27.174.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.201.8.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.206.120.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.235.20.0/23 512
0.0%
Comcast Cable Communications, LLC US Georgia Lawrenceville
74.1.24.0/23 512
0.0%
Comcast Cable Communications, LLC US
104.247.212.0/23 512
0.0%
Comcast Cable Communications, LLC US
107.158.6.0/23 512
0.0%
Comcast Cable Communications, LLC US
107.158.164.0/23 512
0.0%
Comcast Cable Communications, LLC US
24.104.150.0/24 256
53.9%
Comcast Cable Communications, LLC US
50.145.55.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.200.170.0/24 256
0.0%
Comcast Cable Communications, LLC US Tennessee Lebanon
50.201.171.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.204.119.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.204.137.0/24 256
0.0%
Comcast Cable Communications, LLC US California Fairfield
50.205.226.0/24 256
0.0%
Comcast Cable Communications, LLC US Texas Texas City
50.206.118.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
50.206.219.0/24 256
0.0%
Comcast Cable Communications, LLC US California Rohnert Park
50.207.182.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.190.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.216.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.216.23.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.216.212.0/24 256
0.0%
Comcast Cable Communications, LLC US California Santa Clara
50.218.46.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.219.139.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.222.26.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Francisco
50.222.50.0/24 256
1.6%
Comcast Cable Communications, LLC US
50.224.7.0/24 256
0.0%
Comcast Cable Communications, LLC US West Virginia Morgantown
50.227.120.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Rafael
50.227.186.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.228.12.0/24 256
0.0%
Comcast Cable Communications, LLC US Georgia Smyrna
50.228.130.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Francisco
50.228.223.0/24 256
0.0%
Comcast Cable Communications, LLC US California Santa Rosa
50.229.212.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.230.66.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.231.143.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.232.196.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.233.45.0/24 256
3.1%
Comcast Cable Communications, LLC US California Vacaville
50.234.130.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.235.233.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.236.66.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.239.184.0/24 256
0.0%
Comcast Cable Communications, LLC US
69.91.146.0/24 256
0.0%
Comcast Cable Communications, LLC US
107.0.21.0/24 256
2.3%
Comcast Cable Communications, LLC US
139.181.26.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
192.70.238.0/24 256
0.0%
Comcast Cable Communications, LLC US California Salinas
192.189.161.0/24 256
0.0%
Comcast Cable Communications, LLC US
192.206.19.0/24 256
0.0%
Comcast Cable Communications, LLC US
198.145.106.0/24 256
0.0%
Comcast Cable Communications, LLC US
198.202.219.0/24 256
0.0%
Comcast Cable Communications, LLC US
204.145.245.0/24 256
0.0%
Comcast Cable Communications, LLC US
209.23.201.0/24 256
64.8%
Comcast Cable Communications, LLC US
209.23.253.0/24 256
0.0%
Comcast Cable Communications, LLC US
216.170.120.0/24 256
0.0%
Comcast Cable Communications, LLC US New York Buffalo

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS33651 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
50.235.233.0/24 143,110 2026-09-10 18:08:01
50.201.8.0/23 39,571 2026-09-10 18:07:41
50.235.21.0/24 34,070 2026-09-10 18:08:01
50.207.182.0/24 33,949 2026-09-10 18:08:01
50.206.120.0/23 33,669 2026-09-10 18:08:01
50.224.7.0/24 33,652 2026-09-10 18:08:01
50.204.137.0/24 33,242 2026-09-10 18:08:01
50.216.212.0/24 32,059 2026-09-10 18:08:01
50.206.118.0/24 31,885 2026-09-10 18:08:01
50.207.216.0/24 31,877 2026-09-10 18:08:35
50.232.196.0/24 31,843 2026-09-10 18:08:01
50.200.170.0/24 31,657 2026-09-10 18:08:01
50.235.20.0/24 31,506 2026-09-10 18:08:01
50.229.212.0/24 31,464 2026-09-10 18:08:01
24.104.150.0/24 30,950 2026-09-10 18:07:41
107.0.21.0/24 30,886 2026-09-10 18:08:01
50.227.120.0/24 30,631 2026-09-10 18:08:01
24.104.138.0/23 30,477 2026-09-10 18:07:41
24.104.72.0/24 30,364 2026-09-10 18:08:35
50.230.66.0/24 30,312 2026-09-10 18:08:35
50.218.46.0/24 30,287 2026-09-10 18:08:01
50.222.50.0/24 30,117 2026-09-10 18:08:01
50.236.66.0/24 29,979 2026-09-10 18:08:01
50.227.186.0/24 29,973 2026-09-10 18:07:33
50.204.119.0/24 29,286 2026-09-10 18:08:01
50.207.190.0/24 29,090 2026-09-10 18:08:01
24.104.73.0/24 28,970 2026-09-10 18:08:35
50.206.219.0/24 28,681 2026-09-10 18:08:01
50.201.171.0/24 28,661 2026-09-10 18:08:01
50.234.130.0/24 28,661 2026-09-10 18:07:41
50.145.55.0/24 28,660 2026-09-10 18:07:41
50.205.226.0/24 28,638 2026-09-10 18:08:35
50.219.139.0/24 28,636 2026-09-10 18:08:35
50.233.45.0/24 28,624 2026-09-10 18:08:01
50.228.130.0/24 28,610 2026-09-10 18:07:41
50.222.26.0/24 28,579 2026-09-10 18:08:01
50.231.143.0/24 28,555 2026-09-10 18:07:41
50.239.184.0/24 28,550 2026-09-10 18:07:41
50.216.23.0/24 28,541 2026-09-10 18:07:41
138.226.192.0/21 28,127 2026-09-10 18:08:31
209.23.201.0/24 28,078 2026-09-10 18:07:41
64.84.96.0/21 28,057 2026-09-10 18:08:01
64.84.120.0/21 28,056 2026-09-10 18:08:01
169.230.76.0/24 26,037 2026-09-10 18:08:01
169.230.77.0/24 25,976 2026-09-10 18:08:01
140.89.64.0/18 25,734 2026-09-10 18:08:01
139.181.26.0/24 25,627 2026-09-10 18:07:41
209.23.253.0/24 24,901 2026-09-10 18:08:01
192.206.19.0/24 23,327 2026-09-10 18:08:35
198.145.106.0/24 22,327 2026-09-10 18:08:35

Mostrando los principales 50 of 112 prefijos anunciados por volumen de muestra.

Frequently Asked Questions

¿Qué es AS33651?

AS33651 es un Número de Sistema Autónomo asignado a Comcast Cable Communications, 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 AS33651?

AS33651 anuncia 27.4K direcciones IPv4 distribuidas en 56 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS33651?

AS33651 es operado por Comcast Cable Communications, 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 AS33651?

AS33651 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: 2026-09-10 18:26:37 UTC
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