00:A0:73 COM21, INC.
Every MAC address from 00:A0:73:00:00:00 to 00:A0:73:FF:FF:FF belongs to a block the IEEE assigned to COM21, INC.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:A0:73 belongs to
Written 00:A0:73, 00-A0-73 or 00A073, depending on the system. Look up a full address.
Prefix
00:A0:73
Organization
COM21, INC.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:A0:73:00:00:00
Last address
00:A0:73:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2113 LANDINGS DRIVE MOUNTAIN VIEW CA US 94043