Zuken GmbH
ZUKEN-LIMITED
GLEIF verified
LEI
529900UV5ZKFHJDPGH39
Registered name
Zuken GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 7 |
| Registered in | United Kingdom (2) · China (1) · Germany (1) · Netherlands (1) |
| All fragments | 11 blocks across 3 clusters |
| Cluster ID | 210364056 |
| Registry | APNIC |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900UV5ZKFHJDPGH39 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 222.66.32.48/30 | ZUKEN-CO | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 62.253.200.128/25 | ZUKEN-LTD | RIPE | ASSIGNED PA | ● low |
| 194.72.110.192/28 | ZUKEN-LIMITED | RIPE | ASSIGNED PA | ● low |
| 213.53.235.0/29 | ZUKEN | RIPE | ASSIGNED PA | ● low |
| 213.95.4.216/29 | ZUKEN-NET | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:18e0::/48 | ZUKEN-LIMITED | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:18e0::/56 | ZUKEN-LIMITED | RIPE | ASSIGNED | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “ZUKEN” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- ZUKEN-SG 3 blocks
- zuken-FRG-NET 1 blocks
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.
- zuken-FRG-NET via SWU TeleNet GmbH sub-allocation
- Zuken Gmbh via COLT Technology Services Group Limited sub-allocation
- Zuken Sa via COLT Technology Services Group Limited sub-allocation
Network trust
what's this?
RPKI hygiene: B
how networks compare →
85.7%
of checked blocks have valid RPKI ROA coverage
(6 of 7)
Possible discrepancies (2)
These blocks are registered to ZUKEN-LIMITED 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.
| 2a00:2381:18e0::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:18e0::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AS5089-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
MAINT-CHINANET-SH
NLNET-MNT
NORIS-MNT
QLY6-AP
QLY6-AP