NET AT DIPL ING ALEXANDER KATZKOW AND PARTNER GMBH
NET-AT-DIPL-ING-ALEXANDER-KATZKOW-AND-PARTNER-GMBH
Data as of 2026-08-09
Registry
Limited data: only 1 range found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 1 |
| IPv6 | 1 prefix (largest 2001:920:200e::/48) |
| Cluster ID | 218324455 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| 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 | |
IP Ranges (1)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2001:920:200e::/48 | NET-AT-DIPL-ING-ALEXANDER-KATZKOW-AND-PARTNER-GMBH | RIPE | ASSIGNED | ● medium |
IPv6 ranges (1)
| CIDR |
|---|
| 2001:920:200e::/48 |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(1 of 1)
Possible discrepancies (1)
These blocks are registered to NET AT DIPL ING ALEXANDER KATZKOW AND PARTNER GMBH 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.
| 2001:920:200e::/48 /48 | authorized for AS8220 — COLT Technology Services Group Limited |
NIC Handles
AS12878-MNT
DUMY-RIPE
DUMY-RIPE