Xfinity

Xfinity - Network

The following page provides details on network ranges, IPs, ASNs, points-of-presence (PoPs) and edge CDNs for the Xfinity network.

What Is Xfinity?

Xfinity is a trade name of Comcast Cable Communications, LLC, a subsidiary of the Comcast Corporation, used to market consumer cable television, internet, telephone, and wireless services provided by the company.

Category	ISP/Telco
Web Link	Home Page

Xfinity is in the ISP/Telco category. This type of organization provides connectivity to other organizations, deploys infrastructure for partner edge CDN solutions, and may offer local managed hosting.

Network Intelligence

The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.

Netify Data Feeds

Xfinity - Network Ranges

IPv4 Network Ranges

23.24.0.0/15
23.30.0.0/15
23.68.0.0/14
and 3218 more

IPv6 Network Ranges

2a03:2887:ff2c::/47
2a03:2887:ff31::/48
2a03:2887:ff32::/48
and 4011 more

Network Ranges and Routes
The networks listed here are low-level detailed routes - either BGP or internal.

Xfinity - ASNs

AS264821	Comcast
AS33667	Comcast Cable Communications
AS33660	Comcast Cable Communications
	and 16 more

What is an ASN?
An Autonomous System Number (ASN) is a unique identifier assigned to a collection of IP networks managed by an organization.

Xfinity - Domains

Domains and Hostnames
Along with protocol analysis and network fingerprinting, domains play an important part of application detection.

Xfinity - Network Map

Xfinity is deployed across 8 cities in 2 countries and territories.

Geography
Cities	8
Countries	2
Continents	1
Anycast

Network
Total Ranges	7,235
IPv4 Ranges	3,221
IPv6 Ranges	4,014
Anycast Ranges	0

Only the locations of important networks exchanges and edge cache systems are provided.

Anycast makes it possible to route a single IP address to a variety of different geographic points-of-presence. Nifty.

Xfinity - Points of Presence

Canada

Vancouver

United States

Xfinity - Edge Caches

Name	IP Info	Link
Google Edge CDN	60 IPs	CDN Info
Meta CDN	209 IPs	CDN Info
Netflix CDN	4 IPs	CDN Info
Akamai	7 IPs	CDN Info

Why Edge Caching?
Some Content delivery networks (CDNs) partner with Internet Service Providers (ISPs) and network providers to get content delivery closer to customers. More Info.

Xfinity - Decentralized Apps

Name	IP Info	Sample IP
Speedtest	56 IPs	68.87.56.138
Tor Relay	36 IPs	50.230.231.84

Decentralized App?
Some applications, by their very nature, are distributed around various corners of the Internet. Examples: Tor nodes, speedtest servers, and mobile gateways.