C4:7B:80 Protempis, LLC
Every MAC address from C4:7B:80:00:00:00 to C4:7B:80:FF:FF:FF belongs to a block the IEEE assigned to Protempis, LLC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who C4:7B:80 belongs to
Written C4:7B:80, C4-7B-80 or C47B80, depending on the system. Look up a full address.
Prefix
C4:7B:80
Organization
Protempis, LLC
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
C4:7B:80:00:00:00
Last address
C4:7B:80:FF:FF:FF
Address type
Globally unique, unicast
Registered address
3333 Warrenville Road, Ste 200 Lisle IL US 60532-1999