70:B3:D5:4B:4 Hi Tech Systems Ltd
Every MAC address from 70:B3:D5:4B:40:00 to 70:B3:D5:4B:4F:FF belongs to a block the IEEE assigned to Hi Tech Systems Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:4B:4 belongs to
Written 70:B3:D5:4B:4, 70-B3-D5-4B-4 or 70B3D54B4, depending on the system. Look up a full address.
Prefix
70:B3:D5:4B:4/36
Organization
Hi Tech Systems Ltd
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:4B:40:00
Last address
70:B3:D5:4B:4F:FF
Address type
Globally unique, unicast
Registered address
Holbrook House, Oakley Lane Basingstoke Hampshire GB RG23 7JY
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.