00:20:EA EFFICIENT NETWORKS, INC.
Every MAC address from 00:20:EA:00:00:00 to 00:20:EA:FF:FF:FF belongs to a block the IEEE assigned to EFFICIENT NETWORKS, INC.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:EA belongs to
Written 00:20:EA, 00-20-EA or 0020EA, depending on the system. Look up a full address.
Prefix
00:20:EA
Organization
EFFICIENT NETWORKS, INC.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:EA:00:00:00
Last address
00:20:EA:FF:FF:FF
Address type
Globally unique, unicast
Registered address
4201 SPRING VALLEY ROAD DALLAS TX US 75244-3666