Erasmus MC

Data as of 2026-07-26
BGP inherited
Limited data: only 1 range 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
Netblocks1 · 65,536 IPv4 addresses
Cluster ID214633455
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 (1)

⬇ export CSV
CIDR Org name Registry Status Confidence
156.83.0.0/16 Erasmus MC RIPE LEGACY ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (1 of 1)
No discrepancies found among checked blocks.
Routed via provider/NREN (1)

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.

156.83.0.0/16 /16 routed via AS1103 — SURF (SURF B.V.)

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-EMC2-RIPE RIPE-NCC-LEGACY-MNT SN-LIR-MNT SURF-AUTO-MNT