40:B3:CD Chiyoda Electronics Co.,Ltd.
Every MAC address from 40:B3:CD:00:00:00 to 40:B3:CD:FF:FF:FF belongs to a block the IEEE assigned to Chiyoda Electronics Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:B3:CD belongs to
Written 40:B3:CD, 40-B3-CD or 40B3CD, depending on the system. Look up a full address.
Prefix
40:B3:CD
Organization
Chiyoda Electronics Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:B3:CD:00:00:00
Last address
40:B3:CD:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1-3-11 Nishiki-cho Warabi Saitama JP