AS51159 CT1 Technologies Ltd 🇬🇧 GB

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes
5
2,304 (9 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS51159
Name
CT1 Technologies Ltd
Organisation
Think Systems UK Ltd
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2010-06-10
Network type
Content
Traffic levels
100-1000Mbps
Scope
Regional
Peering policy
Open
PeeringDB
net/4236
Exchanges
1
Facilities
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

5 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

5 in total

Prefix RPKI Peers Sample path First seen
91.142.134.0/24 v4 RPKI valid 41 345496080051159 2026-09-18
91.228.115.0/24 v4 RPKI valid 41 345496080051159 2026-09-18
91.239.124.0/23 v4 RPKI valid 40 345496080051159 2026-09-18
185.62.84.0/22 v4 RPKI valid 40 345496080051159 2026-09-18
194.187.252.0/24 v4 RPKI valid 41 345496080051159 2026-09-18