MAC prefix 70:B3:D5:3B:5
Preston Industries dba PolyScience
| Vendor | Preston Industries dba PolyScience |
|---|---|
| Short name | PrestonIndus |
| Prefix | 70:B3:D5:3B:5/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 70:B3:D5:3B:50:00 – 70:B3:D5:3B:5F:FF |
| Notations | 70:B3:D5:3B:50:0070-B3-D5-3B-50-0070b3.d53b.500070B3D53B5000 |
Frequently asked questions
Which vendor does MAC address 70:B3:D5:3B:5 belong to?
MAC addresses starting with 70:B3:D5:3B:5 are assigned to Preston Industries dba PolyScience according to the IEEE registry (prefix length 36 bits).
How many addresses does block 70:B3:D5:3B:5 contain?
The block contains 4,096 addresses from 70:B3:D5:3B:50:00 to 70:B3:D5:3B:5F:FF.
Is 70:B3:D5:3B:5 a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).
How do I find the MAC address of my device?
On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.
Which other MAC prefixes does Preston Industries dba PolyScience have?
Preston Industries dba PolyScience holds 6 registered prefixes in total – the full list is on the vendor page.