70:B3:D5:5C:6 C4I Systems Ltd
Every MAC address from 70:B3:D5:5C:60:00 to 70:B3:D5:5C:6F:FF belongs to a block the IEEE assigned to C4I Systems Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:5C:6 belongs to
Written 70:B3:D5:5C:6, 70-B3-D5-5C-6 or 70B3D55C6, depending on the system. Look up a full address.
Prefix
70:B3:D5:5C:6/36
Organization
C4I Systems Ltd
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:5C:60:00
Last address
70:B3:D5:5C:6F:FF
Address type
Globally unique, unicast
Registered address
Unit 1Twyford Court Hereford Herefordshire GB HR2 6JR
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.