CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH

Data as of 2026-09-13
BGP inherited
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.
This organisation
Netblocks3 · 1,024 IPv4 addresses
IPv6 2 prefixes (largest 2a12:c940::/29)
Record ID241131233
RegistryRIPE
Customerssee who runs inside 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 (3)

⬇ export CSV
CIDR Org name Registry Status Confidence
195.37.156.0/22 CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH RIPE ASSIGNED PA ● low
2001:638:20c::/48 CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH RIPE ASSIGNED ● low
2a12:c940::/29 CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

CIDR
2a12:c940::/29
2001:638:20c::/48

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (3 of 3)
No discrepancies found among checked blocks.
Routed via provider/NREN (3)

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.

2a12:c940::/29 /29 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)
2001:638:20c::/48 /48 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)
195.37.156.0/22 /22 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)

NIC Handles

CISPA-MNTNER DFN-LIR-MNT DUMY-RIPE DUMY-RIPE ORG-CFIG1-RIPE RIPE-NCC-HM-MNT