MAC prefix A4:7F:1B

Juniper Networks

VendorJuniper Networks
Short nameJuniperNetwo
PrefixA4:7F:1B/24
Block typeMA-L (/24, 16,777,216 addresses)
Address rangeA4:7F:1B:00:00:00 – A4:7F:1B:FF:FF:FF
NotationsA4:7F:1B:00:00:00
A4-7F-1B-00-00-00
a47f.1b00.0000
A47F1B000000

Frequently asked questions

Which vendor does MAC address A4:7F:1B belong to?

MAC addresses starting with A4:7F:1B are assigned to Juniper Networks according to the IEEE registry (prefix length 24 bits).

How many addresses does block A4:7F:1B contain?

The block contains 16,777,216 addresses from A4:7F:1B:00:00:00 to A4:7F:1B:FF:FF:FF.

Is A4:7F:1B 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 Juniper Networks have?

Juniper Networks holds 220 registered prefixes in total – the full list is on the vendor page.

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