- Prefix
- 74:B4:72 74-B4-72 74B4.72
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 74:B4:72:00:00:00 – 74:B4:72:FF:FF:FF
- Organization
- CIESSE
- Registered address
- Via G. di Vittorio, 66, Rignano Sull'Arno Florence 50067, IT
- Country
- Italy (IT)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 74:B4:72:00:00:00
CIESSE holds 1 block in total: see all. Source: IEEE Registration Authority public listing.