The IEEE registry carries 4 blocks registered to HKC Security Ltd., together 1.1 million addresses, first observed 9 Mar 2014, most recently 23 May 2025.
Registered in IE.
Its portfolio also includes blocks acquired from HKC Limited × 2.
| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 04:58:5D:7 | MA-M | 1 million | IE | 23 May 2025 |
| 70:B3:D5:CB:7 | MA-S | 4.1 thousand | IE | 9 Mar 2014 |
| 70:B3:D5:F1:F | MA-S | 4.1 thousand | IE | 19 Feb 2017 |
| 8C:1F:64:B0:F | MA-S | 4.1 thousand | IE | 15 Jul 2022 |
Every block registered to HKC Security Ltd. in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.