CRS4 Srl
Data as of 2026-07-26
BGP inherited
Limited data: only 2 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 2 · 65,536 IPv4 addresses |
| IPv6 | 1 prefix (largest 2001:760:4802::/48) |
| Cluster ID | 214635831 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 156.148.0.0/16 | CRS4 Srl | RIPE | LEGACY | ● high |
| 2001:760:4802::/48 | CRS4 Srl | RIPE | ASSIGNED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2001:760:4802::/48 |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(2 of 2)
No discrepancies found among checked blocks.
Routed via provider/NREN (2)
These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.
| 2001:760:4802::/48 /48 | routed via AS137 — GARR (Consortium GARR) |
| 156.148.0.0/16 /16 | routed via AS137 — GARR (Consortium GARR) |
NIC Handles
DUMY-RIPE
DUMY-RIPE
GARR-LIR
ORG-CRSE1-RIPE
RIPE-NCC-LEGACY-MNT