50:DE:19:4 Langogo Technology Co., Ltd.
Every MAC address from 50:DE:19:40:00:00 to 50:DE:19:4F:FF:FF belongs to a block the IEEE assigned to Langogo Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:DE:19:4 belongs to
Written 50:DE:19:4, 50-DE-19-4 or 50DE194, depending on the system. Look up a full address.
Prefix
50:DE:19:4/28
Organization
Langogo Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:DE:19:40:00:00
Last address
50:DE:19:4F:FF:FF
Address type
Globally unique, unicast
Registered address
2/F, Boxun Building, Keyuan North Road, Nanshan District Shenzhen Guangdong CN 518103
Parent block
Inside 50:DE:19
This MA-M block is carved from the 24-bit block 50:DE:19, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.