PRYSMIAN S.P.A.
Prysmian S.p.A.
Data as of 2026-08-23
GLEIF verified
Complete entity footprint
3 linked clusters ·
13 netblocks ·
66,830 IPv4 addresses ·
1 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
529900X0H1IO3RS1A464
Registered name
PRYSMIAN S.P.A.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 10 · 1,286 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a04:4c80::/29) |
| Registered in | Italy (11) · Singapore (1) |
| Cluster ID | 226952131 |
| Registry | APNIC |
| Owner jurisdiction | IT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900X0H1IO3RS1A464 |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
9 weekly snapshots · JSON
13
+1 netblocks since 2026-07-05
2026-07-05
peak 13
2026-08-23
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.31.57.0/24 | Prysmian S.p.A. | BGP | ANNOUNCED | ● high |
| 185.31.58.0/24 | Prysmian S.p.A. | BGP | ANNOUNCED | ● high |
| 194.53.60.0/24 | Prysmian S.p.A. | BGP | ANNOUNCED | ● high |
| 185.31.56.0/22 | Prysmian S.p.A. | RIPE | ALLOCATED PA | ● medium |
| 27.111.212.208/30 | Prysmian_SpA | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 156.54.71.61/32 | Prysmian | RIPE | LEGACY | ● low |
| 156.54.71.64/32 | prysmian | RIPE | LEGACY | ● low |
| 185.31.56.0/24 | PRYSMIAN-NET | RIPE | ASSIGNED PA | ● low |
| 185.31.59.0/24 | PRYSMIAN-NET | RIPE | ASSIGNED PA | ● low |
| 2a04:4c80::/29 | Prysmian S.p.A. | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a04:4c80::/29 |
Corporate group (3 confirmed entities)
- Prysmian Cables and Systems USA LLC 2 blocks
- SUZHOU-DRAKA-CABLE-CORP 1 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
76.9%
of checked blocks have valid RPKI ROA coverage
(10 of 13)
Possible discrepancies (4)
These blocks are registered to Prysmian S.p.A. but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 185.31.56.0/24 /24 | authorized for AS2830 — Verizon Nederland B.V. |
| 185.31.58.0/24 /24 | authorized for AS9466 — Verizon Japan Limited |
| 185.31.59.0/24 /24 | authorized for AS7046 — Verizon Business |
| 185.31.58.0/24 /24 | authorized for AS9466 — Verizon Japan Limited |
NIC Handles
AE131-AP
AG545-AP
AG545-AP
AS204761
AS702-MNT
AS702-MNT
AS9466
BTI-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
FULCOM-MNT-RIPE
+6 more