Jens Zimperfeld
Cluster stats
| Netblocks | 11 |
| All fragments | 128 blocks across 72 clusters |
| Cluster ID | 191779676 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
11
0 netblocks since 2026-07-05
2026-07-05
peak 11
2026-07-06
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.197.133.0/24 | Jens Zimperfeld | RIPE | SUB-ALLOCATED PA | ● high |
| 185.197.133.0/24 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2001:678:d30::/48 | Jens Zimperfeld | RIPE | ASSIGNED PI | ● high |
| 2001:678:d30::/48 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2001:678:d34::/48 | Jens Zimperfeld | RIPE | ASSIGNED PI | ● high |
| 2001:678:d34::/48 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2001:67c:2148::/48 | Jens Zimperfeld | RIPE | ASSIGNED PI | ● high |
| 2001:67c:2148::/48 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2a10:cc44:1d0::/48 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2a10:cc44:1da::/48 | Jens Zimperfeld | BGP | ANNOUNCED | ● high |
| 2a10:cc44:1d0::/44 | Jens Zimperfeld | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(11 of 11)
No discrepancies found among checked blocks.
NIC Handles
AS208454
AS59570
DUMY-RIPE
DUMY-RIPE
ORG-JZ6-RIPE
RIPE-NCC-END-MNT
SBMT
SSRM-AUTO-MNT
SSRM-NOC-MNT
jszd-mnt
jszd-mnt