00:90:DE CARDKEY SYSTEMS, INC.
Every MAC address from 00:90:DE:00:00:00 to 00:90:DE:FF:FF:FF belongs to a block the IEEE assigned to CARDKEY SYSTEMS, INC.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:90:DE belongs to
Written 00:90:DE, 00-90-DE or 0090DE, depending on the system. Look up a full address.
Prefix
00:90:DE
Organization
CARDKEY SYSTEMS, INC.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:90:DE:00:00:00
Last address
00:90:DE:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1757 TAPO CANYON ROAD SIMI VALLEY CA US 93063