Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks4 · 1,024 IPv4 addresses
All fragments 8 blocks across 3 clusters
Cluster ID218864559
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 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 (4)

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CIDR Org name Registry Status Confidence
192.42.124.0/24 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER RIPE LEGACY ● high
192.42.125.0/24 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER RIPE LEGACY ● high
192.42.126.0/24 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER RIPE LEGACY ● high
192.42.127.0/24 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER RIPE LEGACY ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (4 of 4)
No discrepancies found among checked blocks.
Routed via provider/NREN (4)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

192.42.124.0/24 /24 routed via AS1103 — SURF (SURF B.V.)
192.42.125.0/24 /24 routed via AS1103 — SURF (SURF B.V.)
192.42.126.0/24 /24 routed via AS1103 — SURF (SURF B.V.)
192.42.127.0/24 /24 routed via AS1103 — SURF (SURF B.V.)

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-NDIF1-RIPE RIPE-NCC-LEGACY-MNT SN-LIR-MNT SURF-AUTO-MNT