70:B3:D5:81:2 TESCAN Brno, s.r.o.
Every MAC address from 70:B3:D5:81:20:00 to 70:B3:D5:81:2F:FF belongs to a block the IEEE assigned to TESCAN Brno, s.r.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:81:2 belongs to
Written 70:B3:D5:81:2, 70-B3-D5-81-2 or 70B3D5812, depending on the system. Look up a full address.
Prefix
70:B3:D5:81:2/36
Organization
TESCAN Brno, s.r.o.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:81:20:00
Last address
70:B3:D5:81:2F:FF
Address type
Globally unique, unicast
Registered address
Libusina tr.1 Brno CZ 62300
Parent block
Inside 70:B3:D5
This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.