00:21:77 W. L. Gore & Associates
Every MAC address from 00:21:77:00:00:00 to 00:21:77:FF:FF:FF belongs to a block the IEEE assigned to W. L. Gore & Associates. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:77 belongs to
Written 00:21:77, 00-21-77 or 002177, depending on the system. Look up a full address.
Prefix
00:21:77
Organization
W. L. Gore & Associates
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:77:00:00:00
Last address
00:21:77:FF:FF:FF
Address type
Globally unique, unicast
Registered address
402 Vieves Way Elkton MD US 21921