B0:3B:1B Kontrolnext Technology (Beijing) Ltd.
Every MAC address from B0:3B:1B:00:00:00 to B0:3B:1B:FF:FF:FF belongs to a block the IEEE assigned to Kontrolnext Technology (Beijing) Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B0:3B:1B belongs to
Written B0:3B:1B, B0-3B-1B or B03B1B, depending on the system. Look up a full address.
Prefix
B0:3B:1B
Organization
Kontrolnext Technology (Beijing) Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B0:3B:1B:00:00:00
Last address
B0:3B:1B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 703, 7/F, Building No.16, Shixing Avenue 30#, Shijingshan District Beijing CN 100041