3C:39:E7:3 ELSA Japan Inc.
Every MAC address from 3C:39:E7:30:00:00 to 3C:39:E7:3F:FF:FF belongs to a block the IEEE assigned to ELSA Japan Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 3C:39:E7:3 belongs to
Written 3C:39:E7:3, 3C-39-E7-3 or 3C39E73, depending on the system. Look up a full address.
Prefix
3C:39:E7:3/28
Organization
ELSA Japan Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
3C:39:E7:30:00:00
Last address
3C:39:E7:3F:FF:FF
Address type
Globally unique, unicast
Registered address
Mita UT Bldg., 3-42-10 Shiba, Minato-ku, Tokyo JP 105-0014
Parent block
Inside 3C:39:E7
This MA-M block is carved from the 24-bit block 3C:39:E7, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.