Cromarty Firth Wireless Networks Ltd
Data as of 2026-08-09
BGP inherited
Cluster stats
| Netblocks | 6 · 1,616 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a00:2381:ee15::/48) |
| All fragments | 7 blocks across 2 clusters |
| Cluster ID | 218298458 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
7 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-08-09
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 87.224.15.224/27 | CROMARTY-FIRTH-WIRELESS-NETWORKS-LIMITED-LAN-48595 | RIPE | ASSIGNED PA | ● low |
| 87.224.125.240/28 | CROMARTY-FIRTH-WIRELESS-NETWORKS-LTD-45209-LAN | RIPE | ASSIGNED PA | ● low |
| 109.238.72.128/27 | CROMARTY-FIRTH-WIRELESS-NETWORKS-LIMITED-LAN-48596 | RIPE | ASSIGNED PA | ● low |
| 193.36.128.0/22 | Cromarty Firth Wireless Networks Ltd | RIPE | ALLOCATED PA | ● low |
| 194.169.150.0/23 | Cromarty Firth Wireless Networks Ltd | RIPE | ASSIGNED PI | ● low |
| 2a00:2381:ee15::/48 | CROMARTY-FIRTH | RIPE | AGGREGATED-BY-LIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a00:2381:ee15::/48 |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(4 of 6)
Possible discrepancies (1)
These blocks are registered to Cromarty Firth Wireless Networks Ltd but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:ee15::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
ORG-CFWN1-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
SPITFIRE-UK-MNT
uk-cfw-1-mnt