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IP addresses are unique numbers assigned to networks and their connected devices to help properly identify them on the network. In this resource, you will learn more about IP addresses and how to locate them on your network setup. The setup of some devices requires you to know your IP address as well.

You also need it to utilize remote services to control machines on your network. Knowing this address might be necessary when troubleshooting internet issues. Each one of these has its own IP address. Hope that helps, but if anything is not clear, let me know.You have plenty of devices that connect to the internet. You're looking for the address in the Addresses array, the other two entries are broadcast addresses and the netmasks. The second show command takes State:/Network/Interface//IPv4 argument (in this case, en0) and gives you the IP addresses assigned to it. this will be the one on top of the list in your System Preferences / Network Preferences window), as well as the IP address of your default router. The first show command tells you the name of the primary interface for the OS (i.e. Please note, that the above, even though is a command-line command, is also interactive (so you run scutil and then enter its own commands into it). If you're after what the OS calls a Primary interface and primary IP address, you can use the scutil command like this: MacBook:~ scutil you can use any IP address that's configured on your machine to connect to that machine via SSH (this, obviously, subject to Firewall rules). Typically, when you have SSH daemon running on a box, it will listen on all available interfaces, ie. You can also type ifconfig en0 or ifconfig en1 for the configuration of a particular interface only (as someone said in their answers, en0 is typically the wired Ethernet while en1 is the WiFi interface).Īs an alternative, netstat -i will list all interfaces and will show you the IP addresses you have assigned to each of them.

This command shows you the list of interfaces along with their IP and MAC addresses (the latter one only if applicable).