88:A9:A7:B TWK-ELEKTRONIK
Every MAC address from 88:A9:A7:B0:00:00 to 88:A9:A7:BF:FF:FF belongs to a block the IEEE assigned to TWK-ELEKTRONIK. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 88:A9:A7:B belongs to
Written 88:A9:A7:B, 88-A9-A7-B or 88A9A7B, depending on the system. Look up a full address.
Prefix
88:A9:A7:B/28
Organization
TWK-ELEKTRONIK
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
88:A9:A7:B0:00:00
Last address
88:A9:A7:BF:FF:FF
Address type
Globally unique, unicast
Registered address
Heinrichstr. 85 Duesseldorf DE 40239
Parent block
Inside 88:A9:A7
This MA-M block is carved from the 24-bit block 88:A9:A7, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.