Top 21 Systemhaus GmbH

GLEIF verified
LEI
98450083V1FFC39ZC598
Registered name
Top 21 Systemhaus GmbH
Jurisdiction
DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks6 · 1,533 IPv4 addresses
Cluster ID204398964
RegistryBGP
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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

Footprint over time

4 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-19

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

Possibly related to this organisation

what's this?
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

NIC Handles

AS59845 DUMY-RIPE DUMY-RIPE ORG-TSG13-RIPE RIPE-NCC-HM-MNT TOP21SH-MNT TOP21SH-MNT