70:B3:D5:18:6 Rohde&Schwarz Topex SA
Every MAC address from 70:B3:D5:18:60:00 to 70:B3:D5:18:6F:FF belongs to a block the IEEE assigned to Rohde&Schwarz Topex SA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:18:6 belongs to
Written 70:B3:D5:18:6, 70-B3-D5-18-6 or 70B3D5186, depending on the system. Look up a full address.
Prefix
70:B3:D5:18:6/36
Organization
Rohde&Schwarz Topex SA
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:18:60:00
Last address
70:B3:D5:18:6F:FF
Address type
Globally unique, unicast
Registered address
71th-73th Nicolae Caramfil street, 2nd floor, 1th district Bucuresti Romania RO 014142
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 Rohde&Schwarz Topex SA
5 more blocks registered under the same name.