A0:19:B2:4 Osatec
Every MAC address from A0:19:B2:40:00:00 to A0:19:B2:4F:FF:FF belongs to a block the IEEE assigned to Osatec. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A0:19:B2:4 belongs to
Written A0:19:B2:4, A0-19-B2-4 or A019B24, depending on the system. Look up a full address.
Prefix
A0:19:B2:4/28
Organization
Osatec
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A0:19:B2:40:00:00
Last address
A0:19:B2:4F:FF:FF
Address type
Globally unique, unicast
Registered address
15 Parkovaya Moscow WS 105203
Parent block
Inside A0:19:B2
This MA-M block is carved from the 24-bit block A0:19:B2, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.