70:B3:D5:05:3 YAMAKATSU ELECTRONICS INDUSTRY CO., LTD.
Every MAC address from 70:B3:D5:05:30:00 to 70:B3:D5:05:3F:FF belongs to a block the IEEE assigned to YAMAKATSU ELECTRONICS INDUSTRY CO., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:05:3 belongs to
Written 70:B3:D5:05:3, 70-B3-D5-05-3 or 70B3D5053, depending on the system. Look up a full address.
Prefix
70:B3:D5:05:3/36
Organization
YAMAKATSU ELECTRONICS INDUSTRY CO., LTD.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:05:30:00
Last address
70:B3:D5:05:3F:FF
Address type
Globally unique, unicast
Registered address
1-37-23, Suenaga, Takatsu Kawasaki-City Kanagawa JP 213-0013
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.