Internet Protocol addressing, used to communicate between networked computers

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2
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2answers
58k views

Another device is using your IP address mac, what do I change my IP address too?

Our internet router often stops working at home, but for the the second time only I have got a pop-up error saying: "another device is using your ip address". We have an iPhone and a Macbook but ...
13
votes
5answers
30k views

How to find IP address of my other Mac?

I have two Macs on the same network, both plugged into my internet router. I have screen-sharing set up on one of them, so I can connect to it using command-K in the Finder with a vnc:// URL, and ...
3
votes
3answers
15k views

Ping all IPs in LAN

How would I find out all the devices on my LAN by pinging them all in terminal? What would the code be?