30:21:5B Shenzhen Ostar Display Electronic Co.,Ltd
Every MAC address from 30:21:5B:00:00:00 to 30:21:5B:FF:FF:FF belongs to a block the IEEE assigned to Shenzhen Ostar Display Electronic Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 30:21:5B belongs to
Written 30:21:5B, 30-21-5B or 30215B, depending on the system. Look up a full address.
Prefix
30:21:5B
Organization
Shenzhen Ostar Display Electronic Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
30:21:5B:00:00:00
Last address
30:21:5B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Room218, CASTD Incubator Building, High-tech South Street No.1, Shenzhen Guangdong CN 518057