Sebastian Fenske
Data as of 2026-10-11
BGP inherited
This organisation
| Netblocks | 5 |
| IPv6 | 5 prefixes (largest 2a0c:b641:e00::/44) |
| Record ID | 246691345 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a0c:b641:e00::/44 | Sebastian Fenske | RIPE | ALLOCATED-BY-LIR | ● high |
| 2a0c:b641:e00::/48 | Sebastian Fenske | BGP | ANNOUNCED | ● high |
| 2a0c:b641:e01::/48 | Sebastian Fenske | BGP | ANNOUNCED | ● high |
| 2a0f:85c1:836::/48 | Sebastian Fenske | BGP | ANNOUNCED | ● high |
| 2a0e:8f02:f060::/48 | Sebastian Fenske | RIPE | ASSIGNED | ● low |
IPv6 ranges (5)
Footprint over time
3 weekly snapshots · JSON
6
0 netblocks since 2026-09-27
2026-09-27
peak 6
2026-10-11
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(5 of 6)
No discrepancies found among checked blocks.
NIC Handles
AS214533
DUMY-RIPE
DUMY-RIPE
ICA28-RIPE
INFERNO-MNT
OPENFACTORY-NOC
ORG-FA1291-RIPE
SEBASTIANFENSKE-MNT
SEBASTIANFENSKE-MNT
SERVPERSO-MNT