A4:97:BB Hitachi Industrial Equipment Systems Co.,Ltd
Every MAC address from A4:97:BB:00:00:00 to A4:97:BB:FF:FF:FF belongs to a block the IEEE assigned to Hitachi Industrial Equipment Systems Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:97:BB belongs to
Written A4:97:BB, A4-97-BB or A497BB, depending on the system. Look up a full address.
Prefix
A4:97:BB
Organization
Hitachi Industrial Equipment Systems Co.,Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:97:BB:00:00:00
Last address
A4:97:BB:FF:FF:FF
Address type
Globally unique, unicast
Registered address
3, Kanda Neribei-cho Chiyoda-ku Tokyo US 101-0022