MAC prefix 70:B3:D5:21:0
Eastone Century Technology Co.,Ltd.
| Vendor | Eastone Century Technology Co.,Ltd. |
|---|---|
| Short name | EastoneCentu |
| Prefix | 70:B3:D5:21:0/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 70:B3:D5:21:00:00 – 70:B3:D5:21:0F:FF |
| Notations | 70:B3:D5:21:00:0070-B3-D5-21-00-0070b3.d521.000070B3D5210000 |
Frequently asked questions
Which vendor does MAC address 70:B3:D5:21:0 belong to?
MAC addresses starting with 70:B3:D5:21:0 are assigned to Eastone Century Technology Co.,Ltd. according to the IEEE registry (prefix length 36 bits).
How many addresses does block 70:B3:D5:21:0 contain?
The block contains 4,096 addresses from 70:B3:D5:21:00:00 to 70:B3:D5:21:0F:FF.
Is 70:B3:D5:21:0 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.
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