00:1B:C5:04:D eiraku electric corp.
Every MAC address from 00:1B:C5:04:D0:00 to 00:1B:C5:04:DF:FF belongs to a block the IEEE assigned to eiraku electric corp.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:04:D belongs to
Written 00:1B:C5:04:D, 00-1B-C5-04-D or 001BC504D, depending on the system. Look up a full address.
Prefix
00:1B:C5:04:D/36
Organization
eiraku electric corp.
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:04:D0:00
Last address
00:1B:C5:04:DF:FF
Address type
Globally unique, unicast
Registered address
osaki 1-19-1 tokyo shinagawa JP 141-0032
Parent block
Inside 00:1B:C5
This MA-S block is carved from the 24-bit block 00:1B:C5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.