90:20:83 General Engine Management Systems Ltd.
Every MAC address from 90:20:83:00:00:00 to 90:20:83:FF:FF:FF belongs to a block the IEEE assigned to General Engine Management Systems Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:20:83 belongs to
Written 90:20:83, 90-20-83 or 902083, depending on the system. Look up a full address.
Prefix
90:20:83
Organization
General Engine Management Systems Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
90:20:83:00:00:00
Last address
90:20:83:FF:FF:FF
Address type
Globally unique, unicast
Registered address
GEMS Egham Surrey GB TW208RN