00:1D:21 Alcad SL
Every MAC address from 00:1D:21:00:00:00 to 00:1D:21:FF:FF:FF belongs to a block the IEEE assigned to Alcad SL. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1D:21 belongs to
Written 00:1D:21, 00-1D-21 or 001D21, depending on the system. Look up a full address.
Prefix
00:1D:21
Organization
Alcad SL
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1D:21:00:00:00
Last address
00:1D:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Pol. Ind. Arreche-Ugalde, 1 Irún Guipúzcoa ES E-20305