Florian Berthold trading as Sub-Net e.U.
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 4 · 257 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a10:bd40::/29) |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 214476863 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 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
6 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-26
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.203.0.177/32 | Florian Berthold trading as Sub-Net e.U. | PEERINGDB | ASSIGNED | ● high |
| 193.221.125.0/24 | Florian Berthold trading as Sub-Net e.U. | BGP | ANNOUNCED | ● high |
| 2001:7f8:30:0:2:1000:21:5219/128 | Florian Berthold trading as Sub-Net e.U. | PEERINGDB | ASSIGNED | ● high |
| 2a10:bd40::/29 | Florian Berthold trading as Sub-Net e.U. | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(4 of 6)
No discrepancies found among checked blocks.
NIC Handles
AS215219
AS215219
DUMY-RIPE
DUMY-RIPE
ORG-FB137-RIPE
RIPE-NCC-HM-MNT
mnt-at-subnet-1
mnt-at-subnet-1