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Autonomous System

AS33668

Comcast Cable Communications, LLC

Announced IPs
6,912
CIDR prefixes
27
ASN
AS33668

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 v1.1.0 — 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

Network profile

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
50.202.125.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.203.250.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.204.170.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.206.127.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.92.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.217.249.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.220.170.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.221.158.0/24 256
0.0%
Comcast Cable Communications, LLC US Michigan Dutton
50.223.155.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.226.70.0/24 256
0.4%
Comcast Cable Communications, LLC US Michigan Detroit
50.227.241.0/24 256
0.0%
Comcast Cable Communications, LLC US Michigan Belleville
50.228.137.0/24 256
0.4%
Comcast Cable Communications, LLC US
50.229.7.0/24 256
0.4%
Comcast Cable Communications, LLC US
50.232.15.0/24 256
0.0%
Comcast Cable Communications, LLC US Michigan Ypsilanti
50.233.62.0/24 256
0.4%
Comcast Cable Communications, LLC US
50.233.114.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.238.250.0/24 256
0.0%
Comcast Cable Communications, LLC US Michigan Detroit
50.239.133.0/24 256
0.0%
Comcast Cable Communications, LLC US Florida Miami
107.0.213.0/24 256
0.0%
Comcast Cable Communications, LLC US
157.240.130.0/24 256
0.0%
Comcast Cable Communications, LLC US
157.240.135.0/24 256
0.0%
Comcast Cable Communications, LLC US
192.88.105.0/24 256
0.0%
Comcast Cable Communications, LLC US Michigan Auburn Hills
192.138.205.0/24 256
9.0%
Comcast Cable Communications, LLC US
198.180.251.0/24 256
0.0%
Comcast Cable Communications, LLC US
198.199.172.0/24 256
3.1%
Comcast Cable Communications, LLC US
206.201.156.0/24 256
0.8%
Comcast Cable Communications, LLC US Michigan Flint
206.201.158.0/24 256
0.0%
Comcast Cable Communications, LLC US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS33668 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
50.207.92.0/24 20,511 2026-07-23 14:37:08
157.240.135.0/24 18,892 2026-07-23 14:38:14
157.240.130.0/24 9,927 2026-07-23 14:38:14
50.217.249.0/24 9,073 2026-07-23 14:37:08
50.220.170.0/24 9,070 2026-07-23 14:37:08
50.233.114.0/24 8,865 2026-07-23 14:37:08
50.239.133.0/24 8,168 2026-07-23 14:37:08
50.203.250.0/24 7,049 2026-07-23 14:37:08
50.229.7.0/24 7,049 2026-07-23 14:37:08
50.202.125.0/24 7,047 2026-07-23 14:37:08
50.226.70.0/24 7,044 2026-07-23 14:37:08
50.204.170.0/24 7,041 2026-07-23 14:37:08
50.206.127.0/24 7,018 2026-07-23 14:37:08
50.227.241.0/24 7,011 2026-07-23 14:37:08
50.221.158.0/24 7,010 2026-07-23 14:37:08
50.223.155.0/24 7,009 2026-07-23 14:37:08
50.233.62.0/24 6,995 2026-07-23 14:37:08
50.232.15.0/24 6,994 2026-07-23 14:37:08
192.138.205.0/24 6,992 2026-07-23 14:41:02
50.228.137.0/24 6,983 2026-07-23 14:37:08
50.238.250.0/24 6,969 2026-07-23 14:37:08
107.0.213.0/24 6,930 2026-07-23 14:37:47
192.88.105.0/24 6,757 2026-07-23 14:41:01
206.201.158.0/24 5,603 2026-07-23 14:36:15
206.201.156.0/24 5,351 2026-07-23 14:36:15
198.180.251.0/24 5,323 2026-07-23 14:35:59
198.199.172.0/24 5,316 2026-07-23 14:36:00

Frequently Asked Questions

What is AS33668?

AS33668 is an Autonomous System Number assigned to Comcast Cable Communications, LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS33668 announce?

AS33668 announces 6.9K IPv4 addresses distributed across 27 routed CIDR prefixes. The network is registered in United States.

Who operates AS33668?

AS33668 is operated by Comcast Cable Communications, LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS33668 registered in?

AS33668 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 15:10:36 UTC
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