H3GUK
Cluster stats
| Netblocks | 23 |
| All fragments | 24 blocks across 2 clusters |
| Cluster ID | 192397617 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
23
0 netblocks since 2026-07-05
2026-07-05
peak 23
2026-07-06
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 92.40.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 92.41.0.0 – 92.41.251.255 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 92.41.252.0 – 92.41.253.0 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 94.196.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 94.197.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 185.153.236.0/24 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 185.153.237.0/24 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 185.153.238.0/24 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 185.153.239.0/24 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 188.28.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 188.29.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 188.30.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 188.31.0.0/16 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 217.171.128.0/22 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 217.171.132.0/22 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 217.171.136.0/22 | H3GUK | RIPE | ASSIGNED PA | ● low |
| 2a04:4a40::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a41::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a43::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a44::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a45::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a46::/32 | H3GUK | RIPE | ASSIGNED | ● low |
| 2a04:4a47::/32 | H3GUK | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
73.9%
of checked blocks have valid RPKI ROA coverage
(17 of 23)
Possible discrepancies (7)
These blocks are registered to H3GUK but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 217.171.132.0/22 /22 | authorized for AS198949 — Radware Ltd |
| 217.171.128.0/22 /22 | authorized for AS198949 — Radware Ltd |
| 217.171.136.0/22 /22 | authorized for AS198949 — Radware Ltd |
| 185.153.236.0/24 /24 | authorized for AS174 — Cogent Communications, LLC |
| 185.153.238.0/24 /24 | authorized for AS198949 — Radware Ltd |
| 185.153.237.0/24 /24 | authorized for AS198949 — Radware Ltd |
| 185.153.239.0/24 /24 | authorized for AS174 — Cogent Communications, LLC |
NIC Handles
DUMY-RIPE
DUMY-RIPE
H3GUK-MNT