70:B3:D5:4D:4 Nortek Global HVAC
Every MAC address from 70:B3:D5:4D:40:00 to 70:B3:D5:4D:4F:FF belongs to a block the IEEE assigned to Nortek Global HVAC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:4D:4 belongs to
Written 70:B3:D5:4D:4, 70-B3-D5-4D-4 or 70B3D54D4, depending on the system. Look up a full address.
Prefix
70:B3:D5:4D:4/36
Organization
Nortek Global HVAC
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:4D:40:00
Last address
70:B3:D5:4D:4F:FF
Address type
Globally unique, unicast
Registered address
Fens Pool Ave Brierley Hill West Midlands GB DY5 1QA
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.