Comms FM
Commsfm
Registry
Cluster stats
| Netblocks | 7 |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 209254296 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-12
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.137.3.144/29 | CommsFM | RIPE | ASSIGNED PA | ● low |
| 81.138.241.0/29 | Commsfm | RIPE | ASSIGNED PA | ● low |
| 81.142.151.8/29 | CommsFM | RIPE | ASSIGNED PA | ● low |
| 217.37.130.152/29 | commsfm | RIPE | ASSIGNED PA | ● low |
| 217.45.210.136/29 | Commsfm | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:1495::/48 | COMMSFM | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:17bb::/48 | COMMSFM | RIPE | AGGREGATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
Possible discrepancies (2)
These blocks are registered to Commsfm 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.
| 2a00:2381:1495::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:17bb::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
BTNET-MNT
DUMY-RIPE
DUMY-RIPE