Thorsten Alteholz
BGP inherited
Cluster stats
| Netblocks | 8 |
| Cluster ID | 210146958 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2001:678:ad8::/48 | Thorsten Alteholz | RIPE | ASSIGNED PI | ● high |
| 2001:678:ad8::/48 | Thorsten Alteholz | BGP | ANNOUNCED | ● high |
| 2a01:367:a753::/48 | THORSTEN-ALTEHOLZ | RIPE | ASSIGNED | ● low |
| 2a01:4f8:150:72ee::/64 | THORSTEN-ALTEHOLZ-HARD-UND-SOFTWARE | RIPE | ASSIGNED | ● low |
| 2a01:4f8:222:70f::/64 | THORSTEN-ALTEHOLZ-HARD-UND-SOFTWARE | RIPE | ASSIGNED | ● low |
| 2a01:4f9:2a:2911::/64 | THORSTEN-ALTEHOLZ-HARD-UND-SOFTWARE | RIPE | ASSIGNED | ● low |
| 2a01:4f9:3b:41e7::/64 | THORSTEN-ALTEHOLZ-HARD-UND-SOFTWARE | RIPE | ASSIGNED | ● low |
| 2a01:4f9:4a:19ec::/64 | THORSTEN-ALTEHOLZ-HARD-UND-SOFTWARE | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (1)
These blocks are registered to Thorsten Alteholz 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.
| 2a01:367:a753::/48 /48 | authorized for AS30823 — aurologic GmbH |
NIC Handles
AS208562
COMBAHTON
DUMY-RIPE
DUMY-RIPE
HOS-GUN
ORG-TA1375-RIPE
RIPE-NCC-END-MNT
alteholz01
alteholz01
mnt-de-combahton1-1