Shanghai Huaqin Telecom Technology Co.,Ltd

Shanghai Huaqin Telecom 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 Shanghai Huaqin Telecom Technology Co.,Ltd draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: No.1 Building,399 Keyuan Road, Zhangjian Hi-Tech Park, shanghai shanghai CN 201203

All 2 prefixes

• 44:91:DB44:91:DB:00:00:00 – 44:91:DB:FF:FF:FF
• 90:21:8190:21:81:00:00:00 – 90:21:81: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.