MAC prefix 78:5E:E8:1

RIKEN KEIKI NARA MFG. Co., Ltd.

VendorRIKEN KEIKI NARA MFG. Co., Ltd.
Short nameRIKENKEIKINA
Prefix78:5E:E8:1/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range78:5E:E8:10:00:00 – 78:5E:E8:1F:FF:FF
Notations78:5E:E8:10:00:00
78-5E-E8-10-00-00
785e.e810.0000
785EE8100000

Frequently asked questions

Which vendor does MAC address 78:5E:E8:1 belong to?

MAC addresses starting with 78:5E:E8:1 are assigned to RIKEN KEIKI NARA MFG. Co., Ltd. according to the IEEE registry (prefix length 28 bits).

How many addresses does block 78:5E:E8:1 contain?

The block contains 1,048,576 addresses from 78:5E:E8:10:00:00 to 78:5E:E8:1F:FF:FF.

Is 78:5E:E8:1 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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