80:7B:85:5 EFCO
Every MAC address from 80:7B:85:50:00:00 to 80:7B:85:5F:FF:FF belongs to a block the IEEE assigned to EFCO. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 80:7B:85:5 belongs to
Written 80:7B:85:5, 80-7B-85-5 or 807B855, depending on the system. Look up a full address.
Prefix
80:7B:85:5/28
Organization
EFCO
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
80:7B:85:50:00:00
Last address
80:7B:85:5F:FF:FF
Address type
Globally unique, unicast
Registered address
10F-3, No.270, SEc 4 Chung Hsiao E Rd Taipei TW 10674
Parent block
Inside 80:7B:85
This MA-M block is carved from the 24-bit block 80:7B:85, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.