CERT-Bund

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks5 · 392 IPv4 addresses
IPv6 2 prefixes (largest 2001:638:412::/48)
Cluster ID214665505
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
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 (5)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.94.208.0/24 CERT-Bund RIPE ASSIGNED PA ● high
195.37.173.8/29 CERT-Bund RIPE ASSIGNED PA ● high
195.37.191.128/25 CERT-Bund RIPE ASSIGNED PA ● high
2001:638:412::/48 CERT-Bund RIPE ASSIGNED ● high
2001:638:81e::/48 CERT-Bund RIPE ASSIGNED ● high

IPv6 ranges (2)

CIDR
2001:638:412::/48
2001:638:81e::/48

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (5 of 5)
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.

2001:638:81e::/48 /48 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)
2001:638:412::/48 /48 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)
194.94.208.0/24 /24 routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.)

NIC Handles

DFN-LIR-MNT DUMY-RIPE DUMY-RIPE ORG-CA1591-RIPE