H-data, spol. s r.o.
ORG-HSSR3-RIPE
Data as of 2026-07-26
Registry
Cluster stats
| Netblocks | 8 · 456 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a07:3c4::/31) |
| Cluster ID | 217738131 |
| 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 | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-26
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a07:3c4::/31 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 185.137.124.0/24 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.28/30 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.32/27 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.64/28 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.104/30 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.112/28 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
| 185.137.126.128/25 | UNKNOWN | RIPE | ASSIGNED PA | ● medium |
IPv6 ranges (1)
| CIDR |
|---|
| 2a07:3c4::/31 |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
WOSACZ-MNT
cz-hdata-1-mnt