DongGuan Siyoto Electronics Co., Ltd

DongGuan Siyoto 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 DongGuan Siyoto Electronics Co., Ltd draw from a pool of about 50,331,648 possible MAC addresses in total.

Registered address: Hecheng Industrial District, QiaoTou Town DongGuan City Guangdong CN 523520

All 3 prefixes

• 00:B4:F500:B4:F5:00:00:00 – 00:B4:F5:FF:FF:FF
• 28:FE:6528:FE:65:00:00:00 – 28:FE:65:FF:FF:FF
• 4C:FE:2E4C:FE:2E:00:00:00 – 4C:FE:2E: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.