00:20:EF USC CORPORATION
Every MAC address from 00:20:EF:00:00:00 to 00:20:EF:FF:FF:FF belongs to a block the IEEE assigned to USC CORPORATION. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:EF belongs to
Written 00:20:EF, 00-20-EF or 0020EF, depending on the system. Look up a full address.
Prefix
00:20:EF
Organization
USC CORPORATION
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:EF:00:00:00
Last address
00:20:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
6-4, OSAKI 1-CHOME 141 JP