A0:28:33:7 Kryptus Information Security S/A
Every MAC address from A0:28:33:70:00:00 to A0:28:33:7F:FF:FF belongs to a block the IEEE assigned to Kryptus Information Security S/A. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A0:28:33:7 belongs to
Written A0:28:33:7, A0-28-33-7 or A028337, depending on the system. Look up a full address.
Prefix
A0:28:33:7/28
Organization
Kryptus Information Security S/A
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A0:28:33:70:00:00
Last address
A0:28:33:7F:FF:FF
Address type
Globally unique, unicast
Registered address
Rua Maria Tereza Dias da Silva 270 Cidade Universitaria Campinas-SP BR CEP 13083-820
Parent block
Inside A0:28:33
This MA-M block is carved from the 24-bit block A0:28:33, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.