00:21:DC TECNOALARM S.r.l.
Every MAC address from 00:21:DC:00:00:00 to 00:21:DC:FF:FF:FF belongs to a block the IEEE assigned to TECNOALARM S.r.l.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:DC belongs to
Written 00:21:DC, 00-21-DC or 0021DC, depending on the system. Look up a full address.
Prefix
00:21:DC
Organization
TECNOALARM S.r.l.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:DC:00:00:00
Last address
00:21:DC:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Via Cirie' San Mauro Torinese Torino IT 10099