Data as of Nov 9, 2026
Autonomous system

AS26158

Ultimate Software Group

Announces 512 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
135.84.79.0/24
since Jun 2018
Business
206.152.14.0/24
since Jun 2018
BusinessCenturyLink Communications, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it