STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET

BGP inherited

Cluster stats

Netblocks	6
All fragments	10 blocks across 3 clusters
Cluster ID	205063341
Registry	RIPE
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 3 shared RIR contact/maintainer handles
Registry names	1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

3 weekly snapshots · JSON

6 0 netblocks since 2026-07-05

2026-07-05 peak 6 2026-07-13

IP Ranges (6)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
213.125.16.8/30	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED PA	● low
217.100.31.32/29	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED PA	● low
217.100.31.136/29	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED PA	● low
2001:41f0:10db::/48	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED	● low
2001:41f0:10f3::/48	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED	● low
2001:41f0:605c::/48	STICHTING_DE_BIBLIOTHEEK_AAN_DE_VLIET	RIPE	ASSIGNED	● low

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “STICHTING DE BIBLIOTHEEK” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

STICHTING_DE_BIBLIOTHEEK_PEEL_EN_MAAS 2 blocks
STICHTING_DE_BIBLIOTHEEK_CULTUURPUNTALTE 2 blocks

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

STICHTING_REGIOBIBLIOTHEEK_LEK__IJSSEL via Vodafone Libertel B.V. sub-allocation

Network trust

what's this?

RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (6 of 6)

No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE ZIGGO-AUTOREG1