00:21:EF Kapsys
Every MAC address from 00:21:EF:00:00:00 to 00:21:EF:FF:FF:FF belongs to a block the IEEE assigned to Kapsys. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:EF belongs to
Written 00:21:EF, 00-21-EF or 0021EF, depending on the system. Look up a full address.
Prefix
00:21:EF
Organization
Kapsys
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:EF:00:00:00
Last address
00:21:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
790 Av du Docteur Maurice Donat 06250 Mougins Sophia Antipolis FR