C4:7C:8D:3 Watec Co., Ltd.
Every MAC address from C4:7C:8D:30:00:00 to C4:7C:8D:3F:FF:FF belongs to a block the IEEE assigned to Watec Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who C4:7C:8D:3 belongs to
Written C4:7C:8D:3, C4-7C-8D-3 or C47C8D3, depending on the system. Look up a full address.
Prefix
C4:7C:8D:3/28
Organization
Watec Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
C4:7C:8D:30:00:00
Last address
C4:7C:8D:3F:FF:FF
Address type
Globally unique, unicast
Registered address
254-2 Nihonkoku, Daihoji Tsuruoka-shi Yamagata JP 997-0017
Parent block
Inside C4:7C:8D
This MA-M block is carved from the 24-bit block C4:7C:8D, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.