00:21:F3 Si14 SpA
Every MAC address from 00:21:F3:00:00:00 to 00:21:F3:FF:FF:FF belongs to a block the IEEE assigned to Si14 SpA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:F3 belongs to
Written 00:21:F3, 00-21-F3 or 0021F3, depending on the system. Look up a full address.
Prefix
00:21:F3
Organization
Si14 SpA
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:F3:00:00:00
Last address
00:21:F3:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Via Tommaseo 77 Padova PD IT 35131