70:B3:D5:81:5 Waco Giken Co., Ltd.
Every MAC address from 70:B3:D5:81:50:00 to 70:B3:D5:81:5F:FF belongs to a block the IEEE assigned to Waco Giken Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:81:5 belongs to
Written 70:B3:D5:81:5, 70-B3-D5-81-5 or 70B3D5815, depending on the system. Look up a full address.
Prefix
70:B3:D5:81:5/36
Organization
Waco Giken Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:81:50:00
Last address
70:B3:D5:81:5F:FF
Address type
Globally unique, unicast
Registered address
1-1-50, Suehiro-Cho, Tsurumi-Ku, Yokohama JP 230-0045
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.