NQ
IEEE Registrant 19 Prefixes

Nanjing Qinheng Microelectronics Co., Ltd.

Nanjing Qinheng Microelectronics Co., Ltd. manages 19 unique MAC address prefixes. These prefixes have a total block size of 318.8 million addresses.

The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 22 July 2021, and the most recent update was made on 07 October 2026. These allocations support network identification and communication globally.

Unique prefixes 19
Block Size 318767085 (318.76 M)
First registration 22 July 2021
Last updated 07 October 2026

Entity Details

Unique prefixes 19
Block Size 318767085 (318.76 M)
First registration 22 July 2021
Last updated 07 October 2026

Types

MA-L: Block Type

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

19 Records
MAC PrefixTypeRegistration Date
0C:3D:5E MA-L2025-08-20
10:A7:1A MA-L2026-09-11
18:F0:55 MA-L2026-08-15
2C:37:FB MA-L2026-10-07
3C:AB:72 MA-L2024-10-15
50:54:7B MA-L2021-07-22
50:F8:AD MA-L2026-07-07
54:14:A7 MA-L2022-12-07
54:6C:50 MA-L2025-12-29
5C:53:10 MA-L2023-10-19
70:19:88 MA-L2024-06-17
9C:7F:64 MA-L2026-03-20
C8:17:F5 MA-L2025-06-07
D0:0C:5E MA-L2026-05-08
DC:04:5A MA-L2025-11-08
DC:32:62 MA-L2024-12-04
E0:4E:7A MA-L2024-01-19
E4:66:E5 MA-L2025-01-13
F4:03:93 MA-L2026-07-30