AS8851 GCI Network Solutions Limited 🇬🇧 GB

Announcing 224 prefixes, seen at the RIS collectors.

IPv4 prefixes
218
621,568 (2,428 × /24)
IPv6 prefixes
6
20 × /32
Upstreams
3
transit providers observed
Peers
11
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
5
ASes reachable through it

Registry and operator data

AS number
AS8851
Name
GCI Network Solutions Limited
Organisation
Nasstar
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
1998-06-23
Network type
Cable/DSL/ISP
Traffic levels
50-100Gbps
Scope
Regional
Peering policy
Open
IRR as-set
AS-GCICOM
PeeringDB
net/1297
Exchanges
3
Facilities
7

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

217 valid (96.9%) 0 invalid (0.0%) 7 no ROA (3.1%)

Announced prefixes

224 in total

Prefix RPKI Peers Sample path First seen
217.154.72.0/23 v4 RPKI valid 47 345498851 2026-09-18
217.154.90.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.96.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.103.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.109.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.110.0/23 v4 RPKI valid 47 345498851 2026-09-18
217.154.122.0/23 v4 RPKI valid 47 345498851 2026-09-18
217.154.127.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.131.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.132.0/22 v4 RPKI valid 47 345498851 2026-09-18
217.154.137.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.138.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.141.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.157.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.176.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.187.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.230.0/24 v4 RPKI valid 47 345498851 2026-09-18
217.154.246.0/24 v4 RPKI valid 47 345498851 2026-09-18
2001:1a90::/32 v6 RPKI valid 38 345498851 2026-09-18
2a00:c60::/32 v6 RPKI valid 38 345498851 2026-09-18
2a00:1c40::/29 v6 RPKI valid 38 345498851 2026-09-18
2a00:4901::/32 v6 RPKI valid 38 345498851 2026-09-18
2a02:21f8::/32 v6 RPKI valid 38 345498851 2026-09-18
2a02:6f80::/29 v6 RPKI valid 38 345498851 2026-09-18