44:03:77:0 Musashi Seimitsu Industry Co.,Ltd
Every MAC address from 44:03:77:00:00:00 to 44:03:77:0F:FF:FF belongs to a block the IEEE assigned to Musashi Seimitsu Industry Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 44:03:77:0 belongs to
Written 44:03:77:0, 44-03-77-0 or 4403770, depending on the system. Look up a full address.
Prefix
44:03:77:0/28
Organization
Musashi Seimitsu Industry Co.,Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
44:03:77:00:00:00
Last address
44:03:77:0F:FF:FF
Address type
Globally unique, unicast
Registered address
39-5 Daizen,Ueta-cho Toyohashi Aichi JP 441-8560
Parent block
Inside 44:03:77
This MA-M block is carved from the 24-bit block 44:03:77, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.