00:17:21 FITRE S.p.A.
Every MAC address from 00:17:21:00:00:00 to 00:17:21:FF:FF:FF belongs to a block the IEEE assigned to FITRE S.p.A.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:17:21 belongs to
Written 00:17:21, 00-17-21 or 001721, depending on the system. Look up a full address.
Prefix
00:17:21
Organization
FITRE S.p.A.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:17:21:00:00:00
Last address
00:17:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Via Valsolda, 15 MILANO MI IT 20142