50:A4:D0:7 Shanghai Pujiang Smart Card Systems Co., Ltd.
Every MAC address from 50:A4:D0:70:00:00 to 50:A4:D0:7F:FF:FF belongs to a block the IEEE assigned to Shanghai Pujiang Smart Card Systems Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:A4:D0:7 belongs to
Written 50:A4:D0:7, 50-A4-D0-7 or 50A4D07, depending on the system. Look up a full address.
Prefix
50:A4:D0:7/28
Organization
Shanghai Pujiang Smart Card Systems Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:A4:D0:70:00:00
Last address
50:A4:D0:7F:FF:FF
Address type
Globally unique, unicast
Registered address
No.100, Lane 7488, Hutai Road Shanghai CN 86-201809
Parent block
Inside 50:A4:D0
This MA-M block is carved from the 24-bit block 50:A4:D0, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.