Rackspace

Rackspace - Hosting

The following page provides details on the Rackspace cloud host: network maps, network ranges, PoPs, IPs and applications using the cloud host.

What Is Rackspace?

Rackspace provides dedicated and cloud infrastructure. The company also offers web, app, email hosting, data services and managed security solutions.

Category	Hosting
Web Link	Home Page

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

Rackspace - Network Ranges

IPv4 Network Ranges

5.79.0.0/18
23.253.0.0/18
23.253.64.0/18
and 362 more

IPv6 Network Ranges

2a0b:440:800::/42
2a0b:440:840::/43
2a0b:440:860::/43
and 26 more

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

Rackspace - ASNs

AS15395	Rackspace
AS39921	Rackspace
AS397485	Rackspace Hosting
	and 10 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.

Rackspace - Domains

emailsrvr.com and rackspace.com are the primary domains associated with Rackspace.

Rackspace - Active Applications

Name	Category
Xero	Financial	App Info
Electronic Arts	Games	App Info
comScore	Advertiser	App Info
SolarWinds	Business	App Info
Webroot	Cybersecurity	App Info
Acronis	Cybersecurity	App Info

... and 35 more

The adjacent list of applications use Rackspace.

Rackspace - Decentralized Apps

Name	IP Info	Sample IP
Speedtest	7 IPs	207.97.246.221
Tor Relay	2 IPs	23.253.203.194

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

Rackspace - Anycast

Rackspace provides Anycast on over 2 network ranges. Anycast makes it possible to route a single IP address to a variety of different geographic points-of-presence.