Beijing Sinead Technology Co., Ltd.

Beijing Sinead Technology Co., Ltd. holds 2 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 Beijing Sinead Technology Co., Ltd. draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: Room 504,Block A, New material Building, Yongfeng industrial, Haiding District, Beijing.China Beijing Beijing CN 100094

All 2 prefixes

• 3C:9F:C33C:9F:C3:00:00:00 – 3C:9F:C3:FF:FF:FF
• 80:61:5F80:61:5F:00:00:00 – 80:61:5F: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.