00:20:CF TEST & MEASUREMENT SYSTEMS INC
Every MAC address from 00:20:CF:00:00:00 to 00:20:CF:FF:FF:FF belongs to a block the IEEE assigned to TEST & MEASUREMENT SYSTEMS INC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:CF belongs to
Written 00:20:CF, 00-20-CF or 0020CF, depending on the system. Look up a full address.
Prefix
00:20:CF
Organization
TEST & MEASUREMENT SYSTEMS INC
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:CF:00:00:00
Last address
00:20:CF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2045 SITKA COURT LOVELAND CO US 80538