Librum Sp. z o.o.
Data as of 2026-07-26
BGP inherited
Limited data: only 3 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 | 3 · 768 IPv4 addresses |
| Cluster ID | 214460978 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.174.75.0/24 | Librum Sp. z o.o. | BGP | ANNOUNCED | ● high |
| 155.133.29.0/24 | Librum Sp. z o.o. | BGP | ANNOUNCED | ● high |
| 193.104.156.0/24 | Librum Sp. z o.o. | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
20.0%
of checked blocks have valid RPKI ROA coverage
(1 of 5)
No discrepancies found among checked blocks.
NIC Handles
AS6873
DUMY-RIPE
DUMY-RIPE
NETIA-MNT
NETIA-MNT
ORG-LIB1-RIPE
RIPE-NCC-END-MNT
TSLA1-MNT
TSLA1-MNT