BIBLIOTEKA NARODOWA
Data as of 2026-10-04
BGP inherited
This organisation
| Netblocks | 5 · 521 IPv4 addresses |
| Registered in | Poland (4) · Russia (2) |
| Record ID | 245593720 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.238.85.0/24 | BIBLIOTEKA NARODOWA | RIPE | ASSIGNED PI | ● high |
| 212.191.142.38/32 | Biblioteka UL | RIPE | ASSIGNED PA | ● high |
| 83.145.130.0/24 | BIBLIOTEKA-TKK | RIPE | ASSIGNED PA | ● low |
| 188.128.91.156/30 | Biblioteka_SPb | RIPE | ASSIGNED PA | ● low |
| 213.154.165.208/30 | BIBLIOTEKA-LAN | RIPE | ASSIGNED PA | ● low |
Footprint over time
6 weekly snapshots · JSON
6
0 netblocks since 2026-07-13
2026-07-13
peak 6
2026-09-27
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(3 of 6)
No discrepancies found among checked blocks.
NIC Handles
AS203422
AS8256-MNT
DUMY-RIPE
DUMY-RIPE
INAR-RIPE-MNT
NASK-MNT
NASK2-MNT
ORG-BN17-RIPE
ORG-BU31-RIPE
RIPE-NCC-END-MNT
ROSTELECOM-MNT
TKK-MNT