74:B4:72 CIESSE
Every MAC address from 74:B4:72:00:00:00 to 74:B4:72:FF:FF:FF belongs to a block the IEEE assigned to CIESSE. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 74:B4:72 belongs to
Written 74:B4:72, 74-B4-72 or 74B472, depending on the system. Look up a full address.
Prefix
74:B4:72
Organization
CIESSE
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
74:B4:72:00:00:00
Last address
74:B4:72:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Via G. di Vittorio, 66 Rignano Sull'Arno Florence IT 50067