AS198623 ISUMO Ltd 🇬🇧 GB

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
3
4,352 (17 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
AS198623
Name
ISUMO Ltd
Organisation
iSumo
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2012-03-27
Network type
NSP
Traffic levels
100-1000Mbps
Scope
Regional
Peering policy
Open
PeeringDB
net/16463

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Announced prefixes

3 in total

Prefix RPKI Peers Sample path First seen
37.77.192.0/21 v4 RPKI valid 43 34549174198623 2026-09-18
37.123.248.0/21 v4 RPKI valid 43 34549174198623 2026-09-18
193.104.81.0/24 v4 RPKI valid 43 34549174198623 2026-09-18