FHS-NET
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 12 · 4,488 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:628:20e0::/48) |
| Registered in | Austria (8) · Germany (2) |
| All fragments | 27 blocks across 9 clusters |
| Cluster ID | 226992202 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
9 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-08-23
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 78.104.86.0/23 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 78.104.168.0/22 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 78.104.196.0/22 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 193.170.110.0/24 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 193.170.141.0/25 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 193.170.193.0/25 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 193.171.95.0/24 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 193.171.143.0/25 | FHS-NET | RIPE | ASSIGNED PA | ● low |
| 194.94.28.0/22 | FHS | RIPE | ASSIGNED PA | ● low |
| 213.183.183.112/29 | FHS-GMBH-NET | RIPE | ASSIGNED PA | ● low |
| 2001:628:20e0::/48 | FHS-NET | RIPE | ASSIGNED | ● low |
| 2001:638:907::/48 | FHS | RIPE | ASSIGNED | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(12 of 12)
Possible discrepancies (6)
These blocks are registered to FHS-NET but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:628:20e0::/48 /48 | authorized for AS1853 — ACONET |
| 78.104.168.0/22 /22 | authorized for AS1853 — ACONET |
| 78.104.196.0/22 /22 | authorized for AS1853 — ACONET |
| 78.104.86.0/23 /23 | authorized for AS1853 — ACONET |
| 193.170.110.0/24 /24 | authorized for AS1853 — ACONET |
| 193.171.95.0/24 /24 | authorized for AS1853 — ACONET |
Routed via provider/NREN (2)
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.
| 2001:638:907::/48 /48 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
| 194.94.28.0/22 /22 | routed via AS680 — DFN (Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.) |
NIC Handles
ACONET-LIR-MNT
DFN-LIR-MNT
DUMY-RIPE
DUMY-RIPE
EWETEL-MNT