Data as of Nov 10, 2026
Autonomous system

AS21563

Open Text Corporation

Announces 1,280 addresses in 5 prefixes. None of it is anonymizer space.

Type
Business
CA

Announced prefixes

Arrived
PrefixTypeHolderRPKI
64.14.228.0/24
since Jun 2009
BusinessCenturyLink Communications, LLC
64.37.196.0/24
since Jun 2009
BusinessCenturyLink Communications, LLC
64.37.204.0/24
since Aug 2010
BusinessCenturyLink Communications, LLC
64.37.210.0/24
since Dec 2009
BusinessCenturyLink Communications, LLC
205.219.114.0/24
since Jul 2015
HostingCenturyLink Communications, LLC

Network & history

The space it routes itself

Address share by type

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it