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Data as of Nov 3, 2026
Autonomous system

AS39921

Rackspace Ltd.

Announces 24,832 addresses in 8 prefixes. None of it is anonymizer space.

Type
Hosting
GB

Announced prefixes

All 8
Arrived
PrefixTypeHolderRPKI
72.21.36.0/22
since Jul 2021
HostingDataPipe, Inc.
147.75.24.0/22
since Dec 2020
HostingFireHost, Inc.
159.135.80.0/20
since May 2026
HostingRackspace Hosting
159.135.128.0/19
since May 2017
HostingRackspace Germany GmbH
159.135.160.0/19
since Jun 2020
HostingRackspace Hosting
185.16.216.0/22
since Dec 2020
HostingArmor Defense, Inc
185.205.104.0/22
since Mar 2019
HostingRackspace Germany GmbH
192.68.42.0/24
since Sep 2025
HostingSignify Holding B.V.

Network & history

NetworkHistory
Profile
Registered
May 17, 2006
Domain
rackspace.com
Industry
Hosting and Cloud Provider