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Sistema Autónomo

AS33667

Comcast Cable Communications, LLC

IPs anunciadas
60,672
Prefijos CIDR
58
ASN
AS33667

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

⚠ 42 Prefijo MOASes — múltiples ASNs de origen detectados

Todas las anomalías MOAS →

Un prefijo previamente estable originado por AS33667 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)
71.19.139.0/24 AS33651, AS33667 2026-09-11 04:10:51
107.158.6.0/24 AS33651, AS33667 2026-09-11 04:10:51
16.5.8.0/23 AS33651, AS33667 2026-09-11 04:10:51
107.158.165.0/24 AS33651, AS33667 2026-09-11 04:10:51
74.1.24.0/23 AS33651, AS33667 2026-09-11 04:10:51
71.19.138.0/24 AS33651, AS33667 2026-09-11 04:10:51
107.158.164.0/24 AS33651, AS33667 2026-09-11 04:10:51
138.226.112.0/21 AS33651, AS33667 2026-09-11 04:10:51
140.89.64.0/18 AS33651, AS33667 2026-09-11 04:10:51
138.226.192.0/21 AS33651, AS33667 2026-09-11 04:10:51
135.132.64.0/19 AS33651, AS33667 2026-09-11 04:10:51
138.226.48.0/21 AS33651, AS33667 2026-09-11 04:10:51
63.246.152.0/24 AS33651, AS33667 2026-09-11 04:10:51
78.31.206.0/24 AS33651, AS33667 2026-09-11 04:10:51
198.202.219.0/24 AS33651, AS33667 2026-09-11 04:10:51

Mostrando los 15 más recientemente detectados de 42 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
9.142.96.0/19 8.2K
0.0%
Comcast Cable Communications, LLC US
135.132.64.0/19 8.2K
0.0%
Comcast Cable Communications, LLC US California Palo Alto
9.142.48.0/20 4.1K
0.0%
Comcast Cable Communications, LLC US
9.142.96.0/20 4.1K
0.0%
Comcast Cable Communications, LLC US
135.132.80.0/20 4.1K
0.0%
Comcast Cable Communications, LLC US
138.226.64.0/20 4.1K
0.0%
Comcast Cable Communications, LLC US
9.142.120.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US
135.132.64.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US
138.226.48.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US
138.226.112.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US
9.142.112.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
71.19.136.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
138.226.192.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US California Palo Alto
5.182.194.0/23 512
0.0%
Comcast Cable Communications, LLC US
9.142.116.0/23 512
0.0%
Comcast Cable Communications, LLC US
16.5.8.0/23 512
0.0%
Comcast Cable Communications, LLC US
40.27.174.0/23 512
0.0%
Comcast Cable Communications, LLC US
74.1.24.0/23 512
0.0%
GTT Communications Inc. US
104.247.212.0/23 512
0.0%
Comcast Cable Communications, LLC US
107.0.64.0/23 512
0.8%
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
161.82.44.0/23 512
0.0%
Comcast Cable Communications, LLC US
169.230.76.0/23 512
10.5%
Comcast Cable Communications, LLC US
5.182.186.0/24 256
0.0%
Comcast Cable Communications, LLC US
5.182.193.0/24 256
0.0%
Comcast Cable Communications, LLC US
36.255.215.0/24 256
0.0%
Comcast Cable Communications, LLC US
45.67.141.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.203.5.0/24 256
0.0%
Comcast Cable Communications, LLC US California Sonora
50.203.201.0/24 256
1.2%
Comcast Cable Communications, LLC US
50.207.246.0/24 256
97.3%
Comcast Cable Communications, LLC US
50.222.62.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.236.209.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.239.185.0/24 256
0.0%
Comcast Cable Communications, LLC US
63.246.148.0/24 256
0.0%
Comcast Cable Communications, LLC US
63.246.152.0/24 256
0.0%
Comcast Cable Communications, LLC US Illinois Beardstown
63.246.159.0/24 256
0.0%
Comcast Cable Communications, LLC US
64.189.18.0/24 256
92.2%
Comcast Cable Communications, LLC US California San Francisco
78.31.206.0/24 256
0.0%
Comcast Cable Communications, LLC US
103.111.63.0/24 256
0.0%
Comcast Cable Communications, LLC PK
103.216.197.0/24 256
0.0%
Comcast Cable Communications, LLC US
139.181.7.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
139.181.26.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
157.240.151.0/24 256
5.5%
Comcast Cable Communications, LLC US
157.240.152.0/24 256
6.3%
Comcast Cable Communications, LLC US
161.82.0.0/24 256
0.0%
Comcast Cable Communications, LLC US
161.82.12.0/24 256
0.0%
Comcast Cable Communications, LLC US
162.218.89.0/24 256
0.0%
Comcast Cable Communications, LLC US
185.22.43.0/24 256
0.0%
Comcast Cable Communications, LLC US
185.201.41.0/24 256
0.0%
Comcast Cable Communications, LLC US
185.201.43.0/24 256
0.0%
Comcast Cable Communications, LLC US
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
198.202.219.0/24 256
0.0%
Comcast Cable Communications, LLC US
204.145.245.0/24 256
7.8%
Comcast Cable Communications, LLC US
209.78.88.0/24 256
58.6%
Comcast Cable Communications, LLC US Wisconsin Racine

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS33667 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
157.240.152.0/24 39,580 2026-09-11 04:01:23
50.203.5.0/24 33,435 2026-09-11 03:59:20
138.226.196.0/22 32,547 2026-09-11 02:07:22
157.240.151.0/24 31,722 2026-09-11 04:01:23
50.236.209.0/24 31,638 2026-09-11 03:59:20
5.182.193.0/24 30,730 2026-09-11 03:58:04
5.182.194.0/24 30,598 2026-09-11 03:58:04
50.239.185.0/24 29,466 2026-09-11 03:59:20
50.203.201.0/24 28,687 2026-09-11 03:59:20
50.222.62.0/24 28,623 2026-09-11 03:59:20
50.207.246.0/24 28,604 2026-09-11 03:59:20
107.0.64.0/23 27,914 2026-09-11 03:59:41
5.182.186.0/24 27,452 2026-09-11 03:58:04
5.182.195.0/24 27,447 2026-09-11 03:58:04
138.226.48.0/21 26,907 2026-09-11 03:58:35
138.226.112.0/21 26,818 2026-09-11 03:58:35
9.142.96.0/19 25,761 2026-09-11 03:58:04
9.142.48.0/20 25,753 2026-09-11 03:58:04
36.255.215.0/24 24,799 2026-09-11 03:58:04
45.67.141.0/24 24,529 2026-09-11 03:58:04
63.246.148.0/24 24,073 2026-09-11 03:58:35
63.246.159.0/24 24,073 2026-09-11 03:58:35
63.246.152.0/24 24,069 2026-09-11 03:58:35
78.31.206.0/24 24,062 2026-09-11 03:58:35
103.216.197.0/24 23,917 2026-09-11 03:58:35
135.132.64.0/19 23,335 2026-09-11 03:58:35
162.218.89.0/24 23,318 2026-09-11 03:58:35
138.226.64.0/20 23,183 2026-09-11 03:58:35
185.22.43.0/24 23,053 2026-09-11 03:59:06
185.201.43.0/24 23,035 2026-09-11 03:59:06
185.201.41.0/24 22,875 2026-09-11 03:59:06
161.82.44.0/23 21,041 2026-09-11 04:01:23
161.82.12.0/24 20,927 2026-09-11 04:01:23
161.82.0.0/24 20,920 2026-09-11 04:01:23
135.132.72.0/22 18,236 2026-09-11 02:06:46
135.132.76.0/22 18,203 2026-09-11 02:06:47
9.142.118.0/23 18,157 2026-09-11 03:00:18
209.78.88.0/24 18,049 2026-09-11 00:22:19
103.111.63.0/24 16,754 2026-09-11 03:44:00
139.181.26.0/24 5,471 2026-09-11 00:35:43
140.89.64.0/18 3,874 2026-09-11 00:35:43
192.206.19.0/24 3,841 2026-09-10 23:03:08
169.230.76.0/24 3,814 2026-09-11 02:00:25
169.230.77.0/24 3,777 2026-09-11 00:35:43
192.70.238.0/24 3,006 2026-09-11 00:35:43
192.189.161.0/24 2,881 2026-09-11 00:35:43
138.226.192.0/22 2,804 2026-07-13 06:46:19
198.202.219.0/24 2,687 2026-09-11 00:35:43
204.145.245.0/24 2,666 2026-09-11 00:35:43
64.189.18.0/24 2,223 2026-07-24 23:40:01

Mostrando los principales 50 of 69 prefijos anunciados por volumen de muestra.

Frequently Asked Questions

¿Qué es AS33667?

AS33667 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 AS33667?

AS33667 anuncia 60.7K direcciones IPv4 distribuidas en 58 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS33667?

AS33667 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 AS33667?

AS33667 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: 2026-09-11 04:11:16 UTC
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