50:FF:99:3 Yongjing Shanghai Electronic Science and Technology
Every MAC address from 50:FF:99:30:00:00 to 50:FF:99:3F:FF:FF belongs to a block the IEEE assigned to Yongjing Shanghai Electronic Science and Technology. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:FF:99:3 belongs to
Written 50:FF:99:3, 50-FF-99-3 or 50FF993, depending on the system. Look up a full address.
Prefix
50:FF:99:3/28
Organization
Yongjing Shanghai Electronic Science and Technology
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:FF:99:30:00:00
Last address
50:FF:99:3F:FF:FF
Address type
Globally unique, unicast
Registered address
Room 202,Building 2,No.65,Lane1398,Xin Zhu Road, Minhang District Shanghai. shanghai shanghai CN 201100
Parent block
Inside 50:FF:99
This MA-M block is carved from the 24-bit block 50:FF:99, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.