D0:22:12:A GNS-GmbH
Every MAC address from D0:22:12:A0:00:00 to D0:22:12:AF:FF:FF belongs to a block the IEEE assigned to GNS-GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D0:22:12:A belongs to
Written D0:22:12:A, D0-22-12-A or D02212A, depending on the system. Look up a full address.
Prefix
D0:22:12:A/28
Organization
GNS-GmbH
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D0:22:12:A0:00:00
Last address
D0:22:12:AF:FF:FF
Address type
Globally unique, unicast
Registered address
Adenauerstr. 18 Wuerselen NRW DE 52146
Parent block
Inside D0:22:12
This MA-M block is carved from the 24-bit block D0:22:12, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.