70:B3:D5:1F:5 Martec S.p.A.
Every MAC address from 70:B3:D5:1F:50:00 to 70:B3:D5:1F:5F:FF belongs to a block the IEEE assigned to Martec S.p.A.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:1F:5 belongs to
Written 70:B3:D5:1F:5, 70-B3-D5-1F-5 or 70B3D51F5, depending on the system. Look up a full address.
Prefix
70:B3:D5:1F:5/36
Organization
Martec S.p.A.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:1F:50:00
Last address
70:B3:D5:1F:5F:FF
Address type
Globally unique, unicast
Registered address
Via dell'Industria 1/3 Vignate Milano IT 20060
Parent block
Inside 70:B3:D5
This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Martec S.p.A.
1 more block registered under the same name.