E8:B4:70:4 YAWATA ELECTRIC INDUSTRIAL CO.,LTD.
Every MAC address from E8:B4:70:40:00:00 to E8:B4:70:4F:FF:FF belongs to a block the IEEE assigned to YAWATA ELECTRIC INDUSTRIAL CO.,LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who E8:B4:70:4 belongs to
Written E8:B4:70:4, E8-B4-70-4 or E8B4704, depending on the system. Look up a full address.
Prefix
E8:B4:70:4/28
Organization
YAWATA ELECTRIC INDUSTRIAL CO.,LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
E8:B4:70:40:00:00
Last address
E8:B4:70:4F:FF:FF
Address type
Globally unique, unicast
Registered address
1-17-1 Ohmorihigashi Ohta-ku Tokyo JP 143-0012
Parent block
Inside E8:B4:70
This MA-M block is carved from the 24-bit block E8:B4:70, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to YAWATA ELECTRIC INDUSTRIAL CO.,LTD.
1 more block registered under the same name.