00:C0:21 NETEXPRESS
Every MAC address from 00:C0:21:00:00:00 to 00:C0:21:FF:FF:FF belongs to a block the IEEE assigned to NETEXPRESS. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:C0:21 belongs to
Written 00:C0:21, 00-C0-21 or 00C021, depending on the system. Look up a full address.
Prefix
00:C0:21
Organization
NETEXPRESS
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:C0:21:00:00:00
Last address
00:C0:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
989 EAST HILLSDALE BLVD. FOSTER CITY CA US 94404-2113