Guangzhou Shiyuan Electronics Co., Ltd.

Guangzhou Shiyuan Electronics Co., Ltd. holds 3 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Guangzhou Shiyuan Electronics Co., Ltd. draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: No.6, 4th Yunpu Road, Yunpu Industry District Guangzhou Guangdong CN 510530

All 3 prefixes

• 70:2E:D970:2E:D9:00:00:00 – 70:2E:D9:FF:FF:FF
• 74:72:B074:72:B0:00:00:00 – 74:72:B0:FF:FF:FF
• 78:DD:D978:DD:D9:00:00:00 – 78:DD:D9:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.