Guangzhou Shiyuan Electronic Technology Company Limited

Guangzhou Shiyuan Electronic Technology Company Limited , manages 26 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 436.2 million addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each).

The company registered its MAC address allocation on 08 December 2018, and the most recent update was made on 10 September 2025. These allocations support network identification and communication globally.

Unique prefixes: 26

Block Size: 436207590 (436.2 M)

First registration: 08 December 2018

Last updated: 10 September 2025

Types

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

MAC PrefixTypeRegistration Date
18:84:C1 MA-L2023-01-04
1C:2F:A2 MA-L2023-10-19
20:9B:E6 MA-L2021-10-26
28:3D:E8 MA-L2024-03-22
38:54:39 MA-L2024-06-17
44:37:0B MA-L2024-08-05
58:41:46 MA-L2024-10-10
74:24:CA MA-L2025-07-15
84:93:EC MA-L2025-09-10
8C:35:92 MA-L2022-06-09
8C:7A:B3 MA-L2025-07-11
90:E4:68 MA-L2023-04-05
B4:04:29 MA-L2025-09-10
B4:AD:A3 MA-L2020-07-18
B8:41:D9 MA-L2025-03-18
BC:6B:FF MA-L2022-09-26
BC:FA:B8 MA-L2021-01-19
C0:8A:CD MA-L2018-12-08
D4:9E:3B MA-L2019-09-05
D8:74:EF MA-L2024-12-23
DC:BD:7A MA-L2020-03-19
DC:EC:4F MA-L2025-05-20
E0:27:6C MA-L2022-01-26
E8:51:9E MA-L2023-07-24
EC:C1:AB MA-L2021-06-08
F4:20:15 MA-L2024-01-03