40:A3:6B:8 SFT Co., Ltd.
Every MAC address from 40:A3:6B:80:00:00 to 40:A3:6B:8F:FF:FF belongs to a block the IEEE assigned to SFT Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:A3:6B:8 belongs to
Written 40:A3:6B:8, 40-A3-6B-8 or 40A36B8, depending on the system. Look up a full address.
Prefix
40:A3:6B:8/28
Organization
SFT Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
40:A3:6B:80:00:00
Last address
40:A3:6B:8F:FF:FF
Address type
Globally unique, unicast
Registered address
2-7-11 Yamato-shi Fukaminishi JP 242-0018