28:B7:7C:7 Convertertec Deutschland GmbH
Every MAC address from 28:B7:7C:70:00:00 to 28:B7:7C:7F:FF:FF belongs to a block the IEEE assigned to Convertertec Deutschland GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:B7:7C:7 belongs to
Written 28:B7:7C:7, 28-B7-7C-7 or 28B77C7, depending on the system. Look up a full address.
Prefix
28:B7:7C:7/28
Organization
Convertertec Deutschland GmbH
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
28:B7:7C:70:00:00
Last address
28:B7:7C:7F:FF:FF
Address type
Globally unique, unicast
Registered address
Krefelder Weg 47 Kempen DE 47906
Parent block
Inside 28:B7:7C
This MA-M block is carved from the 24-bit block 28:B7:7C, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.