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How to change IP on cable router?

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I've been trying to accomplish this but I just can't figure it out. Can anyone please help me out?

I run on linksys modem/router and my ISP is Cox and I can't change my public ip address. (WAN if I remember correctly.)

Things I have tried:
- IP maskers/proxies - While this works, it only resulted in disguising my IP address from websites. Not quite what I'm aiming for.
- Turn off the modem for 10 minutes|Turn back on - This didn't work.
- ipconfig release/renew method - Didn't work either.
- See if my IP changed automatically on it's own overtime - Didn't happen.

Does anyone know why my IP is so stubborn to change and if it is even possible without calling my ISP to do it? If there are other methods for this please do reply with that as it will be much appreciated.

Thanks for your time.
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Neil Jones

Neil Jones

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Your WAN address is set by the ISP. Different ISPs have different release times before your unused IP address is given to somebody else. Some providers offer a fixed IP address (usually as an extra service, not as a courtesy), but most give them out dynamically.
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    Je suis Napoléon!

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why do you want to change your public ip anyway?
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I am a cox Employee. You can't change your public IP as it is assigned to you by the provisioning of your modem through Cox NOC.

The only way to get it changed is to call cox and get a different modem provisioned for service. Meaning, you can only have one modem at a time on your account provisioned for active service. You can however have two modems with 1 of them set as "Customer Owned Premise Equipment (CPE)" only and the other as an active provision for your High Speed Data Service..... Then call back in the next week and have the one active one deprovisioned and the second CPE modem provisioned.

Be warned though as additional service charges may apply, if you make it a habit of swapping provisioning around more than twice in a 3 month period.
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