54:A1:04 OPTOWL Co.,Ltd
Every MAC address from 54:A1:04:00:00:00 to 54:A1:04:FF:FF:FF belongs to a block the IEEE assigned to OPTOWL Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:A1:04 belongs to
Written 54:A1:04, 54-A1-04 or 54A104, depending on the system. Look up a full address.
Prefix
54:A1:04
Organization
OPTOWL Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
54:A1:04:00:00:00
Last address
54:A1:04:FF:FF:FF
Address type
Globally unique, unicast
Registered address
16-1 Shinei-cho, Tsuzuki-ku Yokohama Kanagawa JP 2240035