MAC prefix 90:4E:91:B
Shanghai JaWay Information Technology Co., Ltd.
| Vendor | Shanghai JaWay Information Technology Co., Ltd. |
|---|---|
| Short name | JaWayInforma |
| Prefix | 90:4E:91:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 90:4E:91:B0:00:00 – 90:4E:91:BF:FF:FF |
| Notations | 90:4E:91:B0:00:0090-4E-91-B0-00-00904e.91b0.0000904E91B00000 |
Frequently asked questions
Which vendor does MAC address 90:4E:91:B belong to?
MAC addresses starting with 90:4E:91:B are assigned to Shanghai JaWay Information Technology Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 90:4E:91:B contain?
The block contains 1,048,576 addresses from 90:4E:91:B0:00:00 to 90:4E:91:BF:FF:FF.
Is 90:4E:91:B 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 Shanghai JaWay Information Technology Co., Ltd. have?
Shanghai JaWay Information Technology Co., Ltd. holds 2 registered prefixes in total – the full list is on the vendor page.