MAC prefix 78:13:05:D
Shanghai Siminics Optoelectronic Technology Co., Ltd
| Vendor | Shanghai Siminics Optoelectronic Technology Co., Ltd |
|---|---|
| Short name | SiminicsOpto |
| Prefix | 78:13:05:D/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:13:05:D0:00:00 – 78:13:05:DF:FF:FF |
| Notations | 78:13:05:D0:00:0078-13-05-D0-00-007813.05d0.0000781305D00000 |
Frequently asked questions
Which vendor does MAC address 78:13:05:D belong to?
MAC addresses starting with 78:13:05:D are assigned to Shanghai Siminics Optoelectronic Technology Co., Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:13:05:D contain?
The block contains 1,048,576 addresses from 78:13:05:D0:00:00 to 78:13:05:DF:FF:FF.
Is 78:13:05: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.