AS41230 ASK4 Limited 🇬🇧 GB

Announcing 23 prefixes, seen at the RIS collectors.

IPv4 prefixes
16
122,112 (477 × /24)
IPv6 prefixes
7
56 × /32
Upstreams
2
transit providers observed
Peers
18
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
9
ASes reachable through it

Registry and operator data

AS number
AS41230
Name
ASK4 Limited
Organisation
ASK4 Ltd
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2006-07-05
Network type
NSP
Scope
Europe
Peering policy
Selective
IRR as-set
AS-ASK4
PeeringDB
net/1756
Exchanges
6
Facilities
8

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Announced prefixes

7 in total

Prefix RPKI Peers Sample path First seen
2a00:1a10::/29 v6 RPKI valid 32 5030041230 2026-09-18
2a07:c300::/29 v6 RPKI valid 32 38001291441230 2026-09-18
2a0e:2a40::/29 v6 RPKI valid 32 5030041230 2026-09-18
2a0e:2ac0::/29 v6 RPKI valid 32 5030041230 2026-09-18
2a0e:5680::/29 v6 RPKI valid 32 5030041230 2026-09-18
2a0f:dd00::/29 v6 RPKI valid 32 5030041230 2026-09-18
2a10:d00::/29 v6 RPKI valid 32 5030041230 2026-09-18