6C:47:80:0 KEI SYSTEM Co., Ltd.
Every MAC address from 6C:47:80:00:00:00 to 6C:47:80:0F:FF:FF belongs to a block the IEEE assigned to KEI SYSTEM Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 6C:47:80:0 belongs to
Written 6C:47:80:0, 6C-47-80-0 or 6C47800, depending on the system. Look up a full address.
Prefix
6C:47:80:0/28
Organization
KEI SYSTEM Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
6C:47:80:00:00:00
Last address
6C:47:80:0F:FF:FF
Address type
Globally unique, unicast
Registered address
2-2-23 Kishinosato, Nishinari Ward Osaka City Osaka JP 557-0041
Parent block
Inside 6C:47:80
This MA-M block is carved from the 24-bit block 6C:47:80, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.