Data as of Nov 6, 2026
Autonomous system

AS51409

Sipsynergy Limited

Announces 3,072 addresses in 12 prefixes. None of it is anonymizer space.

Type
Business
GB

Announced prefixes

Arrived
PrefixTypeRPKI
178.255.56.0/24
since Apr 2026
Business
178.255.57.0/24
since Jan 2014
Business
178.255.58.0/24
since Feb 2014
Business
178.255.59.0/24
since Feb 2014
Business
178.255.60.0/24
since Apr 2026
Business
178.255.61.0/24
since Jun 2014
Business
178.255.62.0/24
since Jan 2014
Business
178.255.63.0/24
since Feb 2016
Business
185.41.224.0/24
since Feb 2015
Business
185.41.225.0/24
since Apr 2015
Business
185.41.226.0/24
since Apr 2026
Business
185.41.227.0/24
since Apr 2015
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it