1C:21:D1:1 Ognios GmbH
Every MAC address from 1C:21:D1:10:00:00 to 1C:21:D1:1F:FF:FF belongs to a block the IEEE assigned to Ognios GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 1C:21:D1:1 belongs to
Written 1C:21:D1:1, 1C-21-D1-1 or 1C21D11, depending on the system. Look up a full address.
Prefix
1C:21:D1:1/28
Organization
Ognios GmbH
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
1C:21:D1:10:00:00
Last address
1C:21:D1:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Dr.-Hans-Lechner-Straße 6 Wals-Siezenheim Salzburg AT 5071
Parent block
Inside 1C:21:D1
This MA-M block is carved from the 24-bit block 1C:21:D1, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.