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Autonomous System

AS20214

Comcast Cable Communications, LLC

Announced IPs
136,192
CIDR prefixes
20
ASN
AS20214

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 v1.3.0 — 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 ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
147.137.0.0/16 65.5K
0.0%
Comcast Cable Communications, LLC US — —
168.221.0.0/16 65.5K
0.0%
Comcast Cable Communications, LLC US Florida Miami Gardens
50.205.246.0/23 512
0.0%
Comcast Cable Communications, LLC US Florida Pembroke Pines
50.233.138.0/23 512
0.0%
Comcast Cable Communications, LLC US — —
50.150.146.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.200.25.0/24 256
0.8%
Comcast Cable Communications, LLC US — —
50.200.159.0/24 256
0.0%
Comcast Cable Communications, LLC US Florida Miami
50.202.4.0/24 256
0.8%
Comcast Cable Communications, LLC US — —
50.202.167.0/24 256
98.0%
Comcast Cable Communications, LLC US — —
50.202.227.0/24 256
0.0%
Comcast Cable Communications, LLC US Pennsylvania New Holland
50.216.237.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.222.172.0/24 256
0.0%
Comcast Cable Communications, LLC US Illinois Wheaton
50.224.11.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.224.22.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.224.86.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.224.249.0/24 256
0.8%
Comcast Cable Communications, LLC US — —
50.229.72.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.237.82.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
50.237.224.0/24 256
0.0%
Comcast Cable Communications, LLC US — —
141.193.53.0/24 256
0.0%
Comcast Cable Communications, LLC US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20214 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
50.200.159.0/24 64,032 2026-11-13 09:19:37
50.150.146.0/24 59,666 2026-11-13 09:19:37
50.224.22.0/24 56,408 2026-11-13 09:19:37
50.237.82.0/24 53,640 2026-11-13 09:19:37
50.229.72.0/24 53,597 2026-11-13 09:19:37
50.202.4.0/24 52,870 2026-11-13 09:19:37
50.200.25.0/24 52,543 2026-11-13 09:19:37
50.202.227.0/24 51,339 2026-11-13 09:19:37
50.224.11.0/24 50,704 2026-11-13 09:19:37
50.237.224.0/24 49,485 2026-11-13 09:19:37
168.221.176.0/20 49,339 2026-11-13 10:39:23
50.233.138.0/23 48,265 2026-11-13 09:19:37
50.202.167.0/24 48,264 2026-11-13 09:19:37
50.216.237.0/24 48,171 2026-11-13 09:19:37
50.224.86.0/24 46,301 2026-11-13 09:19:37
50.222.172.0/24 46,294 2026-11-13 09:19:37
50.205.246.0/23 46,288 2026-11-13 09:19:37
50.224.249.0/24 46,274 2026-11-13 09:19:37
141.193.53.0/24 42,655 2026-11-13 10:39:23
168.221.0.0/16 37,926 2026-11-13 10:39:23
168.221.171.0/24 37,840 2026-11-13 10:39:23
147.137.0.0/16 34,486 2026-11-13 10:39:23

Frequently Asked Questions

What is AS20214?

AS20214 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 AS20214 announce?

AS20214 announces 136.2K IPv4 addresses distributed across 20 routed CIDR prefixes. The network is registered in United States.

Who operates AS20214?

AS20214 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 AS20214 registered in?

AS20214 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: 2026-11-13 11:24:05 UTC
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