Top 21 Systemhaus GmbH
Data as of 2026-08-30
GLEIF verified
LEI
98450083V1FFC39ZC598
Registered name
Top 21 Systemhaus GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 6 · 1,024 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a00:9ae0::/32) |
| Cluster ID | 232891832 |
| Registry | BGP |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 98450083V1FFC39ZC598 |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 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
2026-08-09
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.28.96.0/24 | Top 21 Systemhaus GmbH | BGP | ANNOUNCED | ● high |
| 185.28.97.0/24 | Top 21 Systemhaus GmbH | BGP | ANNOUNCED | ● high |
| 2a00:9ae0::/48 | Top 21 Systemhaus GmbH | BGP | ANNOUNCED | ● high |
| 2a00:9ae0:1::/48 | Top 21 Systemhaus GmbH | BGP | ANNOUNCED | ● high |
| 185.28.96.0/22 | Top 21 Systemhaus GmbH | RIPE | ALLOCATED PA | ● low |
| 2a00:9ae0::/32 | Top 21 Systemhaus GmbH | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (3)
NIC Handles
AS59845
DUMY-RIPE
DUMY-RIPE
ORG-TSG13-RIPE
RIPE-NCC-HM-MNT
TOP21SH-MNT
TOP21SH-MNT