F4:20:55:5 Proqualit Telecom LTDA
Every MAC address from F4:20:55:50:00:00 to F4:20:55:5F:FF:FF belongs to a block the IEEE assigned to Proqualit Telecom LTDA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who F4:20:55:5 belongs to
Written F4:20:55:5, F4-20-55-5 or F420555, depending on the system. Look up a full address.
Prefix
F4:20:55:5/28
Organization
Proqualit Telecom LTDA
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
F4:20:55:50:00:00
Last address
F4:20:55:5F:FF:FF
Address type
Globally unique, unicast
Registered address
Avenida João XXIII - Bloco I Paraisópolis Minas Gerais BR 37660000
Parent block
Inside F4:20:55
This MA-M block is carved from the 24-bit block F4:20:55, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Proqualit Telecom LTDA
1 more block registered under the same name.