PENWOOD SYSTEMS LIMITED
PENWOOD-SYSTEMS-LIMITED
Data as of 2026-07-26
Registry
Cluster stats
| Netblocks | 16 · 313 IPv4 addresses |
| Cluster ID | 213546747 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
16
0 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-26
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.2.115.217/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.7.176/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.19.216/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.20.0/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.37.57/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.54.15/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.72.247/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.87.155/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.127.97/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.193.8/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 81.187.244.248/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 86.28.75.0/24 | PENWOOD-SYSTEMS | RIPE | ASSIGNED PA | ● low |
| 178.238.153.24/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 178.238.159.42/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 217.169.2.134/32 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
| 217.169.29.48/29 | PENWOOD-SYSTEMS-LIMITED | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(16 of 16)
Possible discrepancies (1)
These blocks are registered to PENWOOD SYSTEMS LIMITED 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.
| 86.28.75.0/24 /24 | authorized for AS5089 — Virgin Media Limited |
NIC Handles
AA
AS5089-MNT
DUMY-RIPE
DUMY-RIPE