MAC prefix 70:B3:D5:99:D
| Vendor | Opsys-Tech |
|---|---|
| Short name | OpsysTech |
| Prefix | 70:B3:D5:99:D/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 70:B3:D5:99:D0:00 – 70:B3:D5:99:DF:FF |
| Notations | 70:B3:D5:99:D0:0070-B3-D5-99-D0-0070b3.d599.d00070B3D599D000 |
Frequently asked questions
Which vendor does MAC address 70:B3:D5:99:D belong to?
MAC addresses starting with 70:B3:D5:99:D are assigned to Opsys-Tech according to the IEEE registry (prefix length 36 bits).
How many addresses does block 70:B3:D5:99:D contain?
The block contains 4,096 addresses from 70:B3:D5:99:D0:00 to 70:B3:D5:99:DF:FF.
Is 70:B3:D5:99:D 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 Opsys-Tech have?
Opsys-Tech holds 2 registered prefixes in total – the full list is on the vendor page.