Autonomous System

AS39921 Rackspace Ltd.

HostingActiveUnited KingdomRIPE

AS39921 (DE-RACKSPACE) is a hosting network operated by Rackspace Ltd. in United Kingdom, registered with RIPE. It has 8 IPv4 prefixes with 24,832 addresses and 2 IPv6 prefixes, which makes it the 6,077th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses24,832in 8 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#6,077of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationRackspace Ltd. · hosting provider profile
AS nameDE-RACKSPACE
Country United Kingdom (GB)
Network typeHosting
RegistryRIPE
Abuse contactabuse@rackspace.com
Registered2006-05-17
Last updated2018-09-04

IPv4 prefixes

8 prefixes · 24,832 addresses
NetworkAddressesFirst – last address
159.135.128.0/198,192159.135.128.0 – 159.135.159.255
159.135.160.0/198,192159.135.160.0 – 159.135.191.255
159.135.80.0/204,096159.135.80.0 – 159.135.95.255
72.21.36.0/221,02472.21.36.0 – 72.21.39.255
147.75.24.0/221,024147.75.24.0 – 147.75.27.255
185.16.216.0/221,024185.16.216.0 – 185.16.219.255
185.205.104.0/221,024185.205.104.0 – 185.205.107.255
192.68.42.0/24256192.68.42.0 – 192.68.42.255

IPv6 prefixes

2 prefixes
  • 2a0b:440::/32
  • 2a0b:440:860::/43

Query AS39921 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS39921&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS39921, with or without a key:

curl "https://api.ipapi.is/?q=159.135.128.1"

Other networks of Rackspace Ltd.

Largest networks in United Kingdom