Find Cable Modem IP address at command line when changes?

I have a webpage running via my Cable Modem; how can I find out, from a computer on my home LAN if my Web Facing IP address changes? The goal is to be able to find out at command line what address the cable modem is using; so I can have a script that will update DNS and keep all good? Just need the one or two commands that need to make this.

See the picture of the Cable Modem webpage.

This is something I want to work on and finish right now if you are available.

We can work on google hangouts and I can share my desktop. Want to learn how to do this as well as get this done?

Is $10 ok?

(If not how much?)

(Did I miss something?)

We can work on Google Hangouts or any desktop sharing you may have?

Please share your thoughts? If you have questions please confirm you read all of this, before reaching to me. My first question to you will be; did you read the project details?

Please only BID if you know how to do this and are certain you can do this? Expecting this is something easy for about $10 or so and will be something person on this topic would know and understand. Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each?

Please just don’t ask me to give you the root password; that will tell me you have not read even anything on these requirements.

Web Security, Website Testing, Website Management, Network Administration

Skills: Network Administration, Script Install, Scripting, Website Management, Website Testing

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About the Employer:
( 105 reviews ) Lyndhurst, United States

Project ID: #17967358

Awarded to:

$10 USD in 1 day
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3 freelancers are bidding on average $12 for this job


Is it Linux or windows ?

$10 USD in 1 day
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you can easily get your own ip via curl and if you use something like [login to view URL] you can also update your DNS via curl endpoint. see [login to view URL] and [login to view URL]

$15 USD in 1 day
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