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Autonoom Systeem

AS33657

Comcast Cable Communications, LLC

Aangekondigde IPs
12,288
CIDR-prefixes
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

Top CIDR-bereiken

CIDRIPsPTR DensityOrganisatieLandStateCity
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

BGP Aangekondigde Prefixes

Live BGP-anomalieën →

Prefixes AS33657 daadwerkelijk afkomstig uit BGP, waargenomen door onze RIPE RIS-collectoren. Deze live routingweergave kan afwijken van de bovenstaande registry-toewijzing.

PrefixAankondigingsvoorbeeldenLaatst gezien
50.205.74.0/24 34,813 2026-09-11 09:18:43
50.235.98.0/24 33,057 2026-09-11 09:18:43
50.224.212.0/24 32,613 2026-09-11 09:18:43
50.238.163.0/24 32,218 2026-09-11 09:18:43
50.232.184.0/24 32,015 2026-09-11 09:18:43
50.232.173.0/24 31,717 2026-09-11 09:18:43
50.207.162.0/24 31,660 2026-09-11 09:18:43
50.219.87.0/24 31,531 2026-09-11 09:18:43
50.204.128.0/24 31,249 2026-09-11 09:18:43
50.204.116.0/24 30,191 2026-09-11 09:18:43
50.201.252.0/24 29,969 2026-09-11 09:18:43
50.235.236.0/24 29,955 2026-09-11 09:18:43
50.202.117.0/24 29,943 2026-09-11 09:18:43
50.203.251.0/24 29,859 2026-09-11 09:18:43
50.236.234.0/24 29,830 2026-09-11 09:18:43
50.236.38.0/24 29,693 2026-09-11 09:18:43
107.1.101.0/24 28,934 2026-09-11 09:18:43
50.216.214.0/24 28,540 2026-09-11 09:18:43
50.223.159.0/24 27,970 2026-09-11 09:18:43
50.223.158.0/24 27,945 2026-09-11 09:18:43
50.232.109.0/24 27,934 2026-09-11 09:18:43
50.202.155.0/24 27,934 2026-09-11 09:18:43
69.67.80.0/20 25,676 2026-09-11 09:18:43
76.78.2.0/24 25,339 2026-09-11 09:18:43
208.87.105.0/24 23,829 2026-09-11 09:18:43
192.110.220.0/23 20,631 2026-09-11 09:18:43
192.189.235.0/24 20,582 2026-09-11 09:19:09
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 5,762 2026-09-11 03:02:55
50.202.12.0/24 4,911 2026-09-11 03:02:53
50.218.16.0/24 4,115 2026-09-11 03:02:53
50.238.112.0/24 3,276 2026-07-13 06:46:19

Frequently Asked Questions

Wat is AS33657?

AS33657 is een Autonomous System Number toegewezen aan Comcast Cable Communications, LLC. Een ASN identificeert een netwerk dat een specifieke set IP-adressen beheert en bepaalt hoe verkeer over het internet wordt gerouteerd via BGP (Border Gateway Protocol).

Hoeveel IP-adressen kondigt AS33657 aan?

AS33657 kondigt 12.3K IPv4-adressen aan, verdeeld over 31 gerouteerde CIDR prefixes. Het netwerk is geregistreerd in United States.

Wie beheert AS33657?

AS33657 wordt beheerd door Comcast Cable Communications, LLC. De organisatie is gevestigd in United States. U kunt alle IP-bereiken en gerelateerde ASNs bekijken op de organisatiepagina.

In welk land is AS33657 geregistreerd?

AS33657 is geregistreerd in United States. Dit geeft aan waar de netwerkoperator is gevestigd, hoewel de IP-adressen die het aankondigt wereldwijd gebruikers kunnen bedienen.

Laatst bijgewerkt: 2026-09-11 09:26:07 UTC
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