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Système Autonome

AS33657

Comcast Cable Communications, LLC

IPs annoncées
12,288
Préfixes CIDR
31
ASN
AS33657

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.

70/100
Moderate
How this score is built
  • 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 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

Network profile

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

Principales plages CIDR

CIDRIPsPTR DensityOrganisationPaysStateCity
69.67.80.0/20 4.1K
89.8%
Comcast Cable Communications, LLC US Maryland Baltimore
50.223.158.0/23 512
0.0%
Comcast Cable Communications, LLC US Maryland Germantown
192.110.220.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.201.252.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.202.12.0/24 256
0.0%
Comcast Cable Communications, LLC US Pennsylvania Cresson
50.202.117.0/24 256
3.5%
Comcast Cable Communications, LLC US
50.202.155.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.203.251.0/24 256
0.0%
Comcast Cable Communications, LLC US Maryland Arnold
50.204.116.0/24 256
0.0%
Comcast Cable Communications, LLC US Maryland Frederick
50.204.128.0/24 256
0.8%
Comcast Cable Communications, LLC US
50.205.74.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.162.0/24 256
0.4%
Comcast Cable Communications, LLC US Maryland Emmitsburg
50.216.214.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.218.16.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.219.87.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.224.212.0/24 256
0.8%
Comcast Cable Communications, LLC US Maryland Baltimore
50.226.61.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.232.109.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.232.173.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.232.184.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.235.98.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.235.236.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.236.38.0/24 256
0.0%
Comcast Cable Communications, LLC US Maryland Bel Air
50.236.234.0/24 256
0.8%
Comcast Cable Communications, LLC US
50.238.112.0/24 256
1.2%
Comcast Cable Communications, LLC US Virginia McLean
50.238.163.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.239.232.0/24 256
0.0%
Comcast Cable Communications, LLC US
76.78.2.0/24 256
99.2%
Comcast Cable Communications, LLC US Maryland Towson
107.1.101.0/24 256
97.3%
Comcast Cable Communications, LLC US Virginia Arlington
192.189.235.0/24 256
0.0%
Comcast Cable Communications, LLC US
208.87.105.0/24 256
0.4%
Comcast Cable Communications, LLC US

Préfixes BGP annoncés

Anomalies BGP en direct →

Préfixes AS33657 provient réellement du BGP, observé par nos collecteurs RIPE RIS. Cette vue de routage en direct peut différer de l'allocation de registre ci-dessus.

PrefixÉchantillons d'annonceDernière vue
50.205.74.0/24 34,660 2026-09-10 16:42:42
50.235.98.0/24 32,910 2026-09-10 16:42:53
50.224.212.0/24 32,456 2026-09-10 16:42:43
50.238.163.0/24 32,074 2026-09-10 16:43:00
50.232.184.0/24 31,872 2026-09-10 16:43:02
50.232.173.0/24 31,564 2026-09-10 16:42:51
50.207.162.0/24 31,511 2026-09-10 16:42:46
50.219.87.0/24 31,387 2026-09-10 16:43:01
50.204.128.0/24 31,097 2026-09-10 16:42:48
50.204.116.0/24 30,044 2026-09-10 16:42:51
50.201.252.0/24 29,817 2026-09-10 16:42:49
50.235.236.0/24 29,802 2026-09-10 16:42:45
50.202.117.0/24 29,792 2026-09-10 16:42:50
50.203.251.0/24 29,707 2026-09-10 16:42:43
50.236.234.0/24 29,686 2026-09-10 16:43:02
50.236.38.0/24 29,543 2026-09-10 16:43:00
107.1.101.0/24 28,780 2026-09-10 16:42:59
50.216.214.0/24 28,391 2026-09-10 16:42:44
50.223.159.0/24 27,823 2026-09-10 16:42:49
50.223.158.0/24 27,798 2026-09-10 16:42:49
50.202.155.0/24 27,789 2026-09-10 16:42:54
50.232.109.0/24 27,788 2026-09-10 16:42:47
69.67.80.0/20 25,574 2026-09-10 16:36:11
76.78.2.0/24 25,239 2026-09-10 16:36:11
208.87.105.0/24 23,730 2026-09-10 16:35:24
192.110.220.0/23 20,529 2026-09-10 16:36:56
192.189.235.0/24 20,478 2026-09-10 16:36:56
199.249.199.0/24 11,265 2026-08-26 12:41:18
50.239.232.0/24 7,074 2026-07-15 16:17:52
50.226.61.0/24 5,333 2026-09-10 07:38:46
50.202.12.0/24 4,480 2026-09-10 07:38:47
50.218.16.0/24 3,693 2026-09-10 07:38:46
50.238.112.0/24 3,276 2026-07-13 06:46:19

Frequently Asked Questions

Qu'est-ce que l'AS33657 ?

L'AS33657 est un numéro de système autonome attribué à Comcast Cable Communications, LLC. Un ASN identifie un réseau qui contrôle un ensemble spécifique d'adresses IP et détermine comment le trafic est acheminé sur internet via BGP (Border Gateway Protocol).

Combien d'adresses IP l'AS33657 annonce-t-il ?

L'AS33657 annonce 12.3K adresses IPv4 réparties sur 31 préfixes CIDR routés. Le réseau est enregistré en United States.

Qui opère l'AS33657 ?

L'AS33657 est opéré par Comcast Cable Communications, LLC. L'organisation est basée en United States. Vous pouvez consulter toutes les plages IP et les ASN associés sur la page de l'organisation.

Dans quel pays l'AS33657 est-il enregistré ?

L'AS33657 est enregistré en United States. Cela indique où le siège de l'opérateur de réseau est situé, bien que les adresses IP qu'il annonce puissent servir des utilisateurs dans le monde entier.

Dernière mise à jour : 2026-09-10 16:54:05 UTC
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