Public Ip For Os X Device

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Dec 08, 2009 One of the quickest ways to get your external IP address in Mac OS X or unix is by launching the Terminal and typing one of the following commands with curl. To be perfectly clear here, we’re looking for the external public IP address of the hardware in use, this is what broadcasts to the world, this is not the same as a LAN IP or local IP, which is usually not public.

ow do I find out my public IP address on the Linux and OS X Unix command line to use with my own bash shell script without using third party web site? Is there command-line option which will show my dynamic IP address on a Ubuntu or Fedora Linux?
There are many ways to find out your public IP address or wan (Wide Area Network) IP on a Linux or Unix-like operating systems such as FreeBSD, OpenBSD, NetBSD, Apple OS X, and others.[donotprint][/donotprint] This page explain how to find out your own IP address using command line options on an Ubuntu, Debian, CentOS Linux, macOS/OS X and Unix bash shell.
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Explain IP addresses

An IP is short for Internet Protocol. It is used to identify computers or mobile devices on the Internet. Each device connected to the Internet has an IP address. IP address can be used to personalize information.

Use dig command for determining my public IP address:

  1. Open the Terminal application.
  2. Type the following dig (domain information groper) command on a Linux, OS X, or Unix-like operating systems to see your own public IP address assigned by the ISP:
  3. dig +short myip.opendns.com @resolver1.opendns.com
  4. Or dig TXT +short o-o.myaddr.l.google.com @ns1.google.com
  5. You should see your IP address on screen. This is the fastest way to find out your IP address without using 3rd party site.

Sample outputs:
You can try host command to see the same information:
host myip.opendns.com resolver1.opendns.com
You can also use the Google server to get the same info using dig command:
dig TXT +short o-o.myaddr.l.google.com @ns1.google.com awk -F'' '{ print $2}'

How do I store my IP address in a shell variable?

The syntax is:

For

Sample outputs:

Finding Public/WAN IP address on a router

Command line tools macos mojave version 10.14 for xcode 10.2. A few ADSL/Cable router allows you to login to your router using telnet or ssh:

Use 3rd party web-sites to get your IP

Please note that I do not recommend following curl/wget method due to security reasons. You have been warned:

Not a fan of CLI?

Use your own web-browser. Visit the following urls to see your WAN IP:

Public Ip For Os X Device Drivers

This entry is 2 of 2 in the Find IP Address Tutorial
series. Keep reading the rest of the series:
  1. Find My Public IP Address From Command Line On a Linux

You public IP address is the address visible from outside your network. Most people don’t need to know their IP address except for very specific reasons, but fortunately, it’s extremely easy to figure out.

You might need your public, or external IP address, when you’re remoting into your computer when away from home, or when you’re sharing files from your FTP server, or connecting your network to a custom DNS service.

No matter the reason for needing to know your IPaddress, there are multiple ways to find it. You can use anything from a simplewebsite to find your IP address to your computer’s command line utility or yourrouter.

IP Address Finding Websites

The easiest way to find your external IP addressis most definitely to use a website dedicated to doing just that. Thesewebsites are using their own tools to locate your IP address, and they’re justone click away from helping you.

Here’s a list of several websites that can findyour public IP address:

Tip: Some of these websites show other helpful information,too, such as your web browser, your local IP address, and even your physicallocation.

Find Your IP Address From the Command Line

Windows users can use a DNS request withinCommand Prompt to locate their public IP address. Just open Command Prompt andexecute this command:

You’ll first see results from the DNS server but then another set of results at the bottom. Your IP address is listed below the line that says Name: myip.opendns.com.

If you get any kind of error when running this command, try doing just opendns.com. (remove the myip.), which should give you the IP address of opendns.com. Then run the command again using the myip. part in the front.

A similar command can be used to find yourpublic IP address in PowerShell:

After entering that command, enter $tmp.Contentto see the result.

Device

If you’re using Linux, try this command from aterminal window:

Locate the IP Address From Your Router or Modem

Your router and modem is what sits between yourdevice and the internet, so it needs to know the IP address your ISP hasassigned to your network. This means you can use your own device to find yourpublic IP address.

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Finding the external IP address from a modem or router is not as easy as using the methods above, but it’s definitely possible. The problem with this method is that you need to know how to log in to your router to see all the settings, which is something many people don’t normally do because they don’t know their password or the router’s IP address.

Most routers can be accessed via the http://192.168.1.1 URL, but others use a different private IP address. Once you know the correct address for your router, you need access to the router’s login information so that you can access the administrative console.

If you’ve made it this far, finding the IPaddress should be relatively easy. You can look in a section like Device Info,Management, Setup, WAN, etc. The IP address itself might be called WAN IPaddress, External Address, Public IP, or something of that sort.

How to Stop Your IP Address From Changing

Because of the way ISPs assign IP addresses, your public IP address will likely change at some point in the future. This means that the address you find using one of the methods above, will not be the same address you find a few weeks from now, or maybe even sooner.

While you, as a customer of your ISP, can’t technically force your IP address to stay the same, you can implement what’s called a dynamic DNS service to essentially create that effect.

A dynamic DNS service assigns a name to your IPaddress, while at the same time updating its record of what your IP address is.It does this each time the address changes, effectively giving you one hostname(like a website URL) that you can use to refer to your public IP address.

Once you’ve assigned yourself a hostname, youcan access your network at any time through that name, which in turn isactually accessing your network through the public IP address. Again, you don’tneed to know your new IP address each time your ISP changes it because theservice does that for you. All you need is the hostname!

Can You Change or Hide Your IP Address?

By default, your public IP address is visible bynearly anyone. Each website you visit can see it, your ISP knows what it is,and people snooping on your network from the street can figure it out. What’sthe best way to hide or mask your IP address?

A VPN, or virtual private network, is by far the easiest and most effective way to keep prying eyes from seeing your public IP address. What a VPN does is create a tunnel from your network to the VPN service, thereby preventing your ISP or anyone on your local network from spying on you.

What this does is force the website you’re on to see the VPN’s address instead of your own, which basically hides your identity on the internet. That is, so long as the VPN service doesn’t reveal your IP address to anyone, which is why you wanted to pick a trusted VPN provider.

There are lots of VPNs to choose from, both free and paid. Some have more or better features and privacy than others, so be sure to take your time researching the best VPN services before choosing one to hide your IP address. If you need to, make sure to check that the VPN connection is actually encrypted before moving forward with a subscription.

See our list of VPN apps you can use to protect your privacy while on a desktop or mobile device.