Xfinity Network

Network Information

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

Xfinity - Logo

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 offers 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

For real-time analysis, Netify also provides a deep packet inspection (DPI) engine that integrates with firewalls, quality-of-service (QoS) engines, and other network tools.

Netify DPI

IPv4 Network Ranges

  • 23.24.0.0/15
  • 23.30.0.0/15
  • 23.68.0.0/14
  • 24.0.0.0/12
  • and 3250 more

IPv6 Network Ranges

  • 2a03:2887:ff2c::/48
  • 2a03:2887:ff2d::/48
  • 2a03:2887:ff31::/48
  • 2a03:2887:ff32::/48
  • and 3480 more
Network Ranges and Routes. The networks listed here are low-level detailed routes - either BGP or internal. See What Is BGP for technical details.

ASNs

AS33660 Comcast Cable Communications
AS33667 Comcast Cable Communications
AS33657 Comcast Cable Communications
AS33659 Comcast Cable Communications
and 13 more
What is an ASN? An Autonomous System Number (ASN) is a unique identifier assigned to a collection of IP networks managed by a company or organization.

Points of Presence

Xfinity
United States
Points of Presence
6 Locations
What is a Point of Presence? In order to get information to end users more quickly, many applications are distributed from multiple locations around the globe.

For ISPs/Telcos, we only track the parts of the network that provide edge cache and decentralized applications.

Xfinity - United States

Network PoP Tag Country
Xfinity - Logo Xfinity Ashburn ashburn United States
Xfinity - Logo Xfinity Detroit detroit United States
Xfinity - Logo Xfinity Pittsburgh pittsburgh United States
Xfinity - Logo Xfinity Portland portland United States
Xfinity - Logo Xfinity Richmond richmond United States
Xfinity - Logo Xfinity Salt Lake City salt-lake-city United States

Edge Caches for Xfinity

Name IP Info Link
Meta CDN - Logo Meta CDN 174 IPs CDN Info
Akamai - Logo Akamai 52 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.

Decentralized Apps

Name IP Info Link
Time Synchronization - Logo Time Synchronization 50 IPs App Info
Speedtest - Logo Speedtest 17 IPs App Info
Decentralized App?
Some applications, by their very nature, are distributed around various corners of the Internet. Examples: speedtest servers and voice-over-WiFi (3GPP).

Sample Edge Cache Applications

Name Category CDN  
Apple - Logo Apple Business Akamai - Logo Akamai App Info
Instagram - Logo Instagram Social Media Meta CDN - Logo Meta CDN App Info
WhatsApp - Logo WhatsApp Messaging Meta CDN - Logo Meta CDN App Info
IndiaTimes - Logo IndiaTimes Portal Akamai - Logo Akamai App Info

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