00:40:59 YOSHIDA KOGYO K. K.
Every MAC address from 00:40:59:00:00:00 to 00:40:59:FF:FF:FF belongs to a block the IEEE assigned to YOSHIDA KOGYO K. K.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:59 belongs to
Written 00:40:59, 00-40-59 or 004059, depending on the system. Look up a full address.
Prefix
00:40:59
Organization
YOSHIDA KOGYO K. K.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:59:00:00:00
Last address
00:40:59:FF:FF:FF
Address type
Globally unique, unicast
Registered address
TECHNICAL RESEARCH DEPT. 939 JP