84:A9:91 Cyber Trans Japan Co.,Ltd.
Every MAC address from 84:A9:91:00:00:00 to 84:A9:91:FF:FF:FF belongs to a block the IEEE assigned to Cyber Trans Japan Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 84:A9:91 belongs to
Written 84:A9:91, 84-A9-91 or 84A991, depending on the system. Look up a full address.
Prefix
84:A9:91
Organization
Cyber Trans Japan Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
84:A9:91:00:00:00
Last address
84:A9:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Setagaya-ku Tokyo JP 155-0031