DFN-SECURITY
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 12 · 4,608 IPv4 addresses |
| Cluster ID | 214661244 |
| 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 · report an issue | |
Footprint over time
6 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-26
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.174.3.192/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 193.175.5.64/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 193.175.76.0/22 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.94.98.192/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.94.128.0/22 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.95.197.128/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 195.37.11.64/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 195.37.209.192/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 195.37.244.0/22 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.94.128/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.100.192/26 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.192.0/22 | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(12 of 12)
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.
| 193.175.76.0/22 /22 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
| 194.94.128.0/22 /22 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
| 195.37.244.0/22 /22 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
| 212.201.192.0/22 /22 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
NIC Handles
DFN-LIR-MNT
DUMY-RIPE
DUMY-RIPE