50:0B:91:1 SPD Development Company Ltd
Every MAC address from 50:0B:91:10:00:00 to 50:0B:91:1F:FF:FF belongs to a block the IEEE assigned to SPD Development Company Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:0B:91:1 belongs to
Written 50:0B:91:1, 50-0B-91-1 or 500B911, depending on the system. Look up a full address.
Prefix
50:0B:91:1/28
Organization
SPD Development Company Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:0B:91:10:00:00
Last address
50:0B:91:1F:FF:FF
Address type
Globally unique, unicast
Registered address
Stannard Way, Priory Business Park Bedford GB MK44 3UP
Parent block
Inside 50:0B:91
This MA-M block is carved from the 24-bit block 50:0B:91, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.