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7C:47:7C:D Speedifi Inc

Every MAC address from 7C:47:7C:D0:00:00 to 7C:47:7C:DF:FF:FF belongs to a block the IEEE assigned to Speedifi Inc. Network cards, phones and other devices it makes carry addresses from here.

Who 7C:47:7C:D belongs to

Written 7C:47:7C:D, 7C-47-7C-D or 7C477CD, depending on the system. Look up a full address.

Prefix
7C:47:7C:D/28
Organization
Speedifi Inc
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
7C:47:7C:D0:00:00
Last address
7C:47:7C:DF:FF:FF
Address type
Globally unique, unicast
Registered address
1163 Kassel Terrace Sunnyvale CA 94089

Inside 7C:47:7C

This MA-M block is carved from the 24-bit block 7C:47:7C, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.

Other blocks assigned to Speedifi Inc

1 more block registered under the same name.