00:01:5B ITALTEL S.p.A/RF-UP-I
Every MAC address from 00:01:5B:00:00:00 to 00:01:5B:FF:FF:FF belongs to a block the IEEE assigned to ITALTEL S.p.A/RF-UP-I. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:01:5B belongs to
Written 00:01:5B, 00-01-5B or 00015B, depending on the system. Look up a full address.
Prefix
00:01:5B
Organization
ITALTEL S.p.A/RF-UP-I
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:01:5B:00:00:00
Last address
00:01:5B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
20019 Cast.Settimo M.se (MI) IT
Same organization
Other blocks assigned to ITALTEL S.p.A/RF-UP-I
1 more block registered under the same name.