8C:51:09:0 TianJin JointOptic Technology Co., LTD.
Every MAC address from 8C:51:09:00:00:00 to 8C:51:09:0F:FF:FF belongs to a block the IEEE assigned to TianJin JointOptic Technology Co., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:51:09:0 belongs to
Written 8C:51:09:0, 8C-51-09-0 or 8C51090, depending on the system. Look up a full address.
Prefix
8C:51:09:0/28
Organization
TianJin JointOptic Technology Co., LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
8C:51:09:00:00:00
Last address
8C:51:09:0F:FF:FF
Address type
Globally unique, unicast
Registered address
Floor 3, Building 6, Teda Service Outsourcing Industrial Park, 19 Xinhuan West Road, Binhai New Area, Tianjin CN 300000
Parent block
Inside 8C:51:09
This MA-M block is carved from the 24-bit block 8C:51:09, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.