38:B1:9E:B System Q Ltd
Every MAC address from 38:B1:9E:B0:00:00 to 38:B1:9E:BF:FF:FF belongs to a block the IEEE assigned to System Q Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:B1:9E:B belongs to
Written 38:B1:9E:B, 38-B1-9E-B or 38B19EB, depending on the system. Look up a full address.
Prefix
38:B1:9E:B/28
Organization
System Q Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:B1:9E:B0:00:00
Last address
38:B1:9E:BF:FF:FF
Address type
Globally unique, unicast
Registered address
Turnoaks Business Park, Hasland Chesterfield Derbyshire GB S40 2WB
Parent block
Inside 38:B1:9E
This MA-M block is carved from the 24-bit block 38:B1:9E, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.