Národní knihovna České republiky

Narodni knihovna Ceske republiky
Data as of 2026-08-23
GLEIF verified
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.
LEI
315700XYK5270GOLF955
Registered name
Národní knihovna České republiky
Jurisdiction
CZ
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks3 · 640 IPv4 addresses
IPv6 2 prefixes (largest 2001:718:1c::/48)
Cluster ID227036964
RegistryRIPE
Owner jurisdictionCZ
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 315700XYK5270GOLF955
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

IP Ranges (3)

⬇ export CSV
CIDR Org name Registry Status Confidence
195.113.132.0 – 195.113.134.127 Narodni knihovna Ceske republiky RIPE ASSIGNED PA ● high
2001:718:0:1c::/64 Narodni knihovna Ceske republiky RIPE ASSIGNED ● high
2001:718:1c::/48 Narodni knihovna Ceske republiky RIPE ASSIGNED ● high

IPv6 ranges (2)

CIDR
2001:718:1c::/48
2001:718:0:1c::/64

Domains hosted in this network

what's this?
webarchiv.cz nkp.cz

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (3 of 3)
Possible discrepancies (2)

These blocks are registered to Narodni knihovna Ceske republiky but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:718:1c::/48 /48 authorized for AS2852 — CESNET z.s.p.o.
195.113.132.0 – 195.113.134.127 /23 authorized for AS2852 — CESNET z.s.p.o.

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-NKCR1-RIPE TENCZ-MNT