WZ CUC Ltd
WZ-CUC-Ltd
Registry
Cluster stats
| Netblocks | 8 · 696 IPv4 addresses |
| Cluster ID | 211868538 |
| Registry | APNIC |
| 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 | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 121.31.68.64/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 121.31.68.192/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 121.31.74.96/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 121.31.80.96/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 121.31.90.64/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 121.31.90.96/27 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 221.7.152.0/24 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 221.7.154.0/24 | WZ-CUC-Ltd | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (2)
These blocks are registered to WZ CUC Ltd 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.
| 221.7.154.0/24 /24 | authorized for AS4837 — CNCGROUP IP network of ShangHai IDC |
| 221.7.152.0/24 /24 | authorized for AS4837 — CNCGROUP IP network of ShangHai IDC |
NIC Handles
MAINT-CNCGROUP-GX
XG454-AP
XG454-AP