AE1M's profile

Frequent Visitor

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11 Messages

Sunday, August 17th, 2025

IP Address Location

MLB.TV uses my IP address to determine if a game is blacked out in my area.  Occasionally a game is blacked out that should not be.  When I call their support, they determine my IP address is no longer at my actual state so they need to update my account.  Maybe a week later the same thing happens, Comcast is apparently changing where my IP address is actually located.  This is really annoying.

Can I get some support to fix this nonsense?

Bob

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Gold Problem Solver

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26.6K Messages

2 days ago

Comcast/Xfinity assigns your public IP address, but does not control where others think that IP is located. That's handled by third parties. https://forums.xfinity.com/conversations/your-home-network/fix-geolocation-of-my-ipaddress/666127b51e56d61567f91b4d?commentId=66618f1609e34b487ca2560a and https://www.xfinity.com/support/articles/correct-geolocation-data may help you correct the location info.

Changing your public IP may or may not change where these third parties think you are located. If you're using your own modem and router, you can use the router's "clone MAC" feature to change your IP.

If you're using a rental Comcast device, they do not provide a way to change the IP address, and they won't change it for you, so you'd have to:

  • swap out the gateway for another, or
  • place the gateway in bridge mode and connect a Wifi router, or
  • replace your gateway with customer-owned equipment

A VPN is another possibility. If you use one your public IP won't actually change, but systems you connect to will see the IP provided by the VPN rather than your actual public IP.

Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.

Frequent Visitor

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11 Messages

I am using my own modem and router, but Comcast assigns the IP address seen by the internet.

Gold Problem Solver

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26.6K Messages

2 days ago

I am using my own modem and router, but Comcast assigns the IP address seen by the internet.

True, but most routers allow you to clone the MAC of a connected device, and/or to manually enter a MAC. When the MAC changes rebooting the modem and router will cause Comcast to assign a different address That may or may not cause the troublesome site to change where it thinks you are located, it depends on the geolocation service they use. 

Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.

Frequent Visitor

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11 Messages

My Tp-link AX5400 does allow me to set a custom MAC or clone.  You think that changing the Router MAC address will force Comcast to issue a new Internet IP address?  

If I just randomly change my router LAN MAC Address (**-**-**-**-**-*0) to (**-**-**-**-**-*1) for example will get me a new Internet IP address and will not affect my existing network with 30+ devices on the router?

Seems odd to me that the modem would see this as a need to request a new (hopefully geographically local)  Internet IP address.

Bob

Official Employee

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2.7K Messages

12 hours ago

Thank you for your feedback and for joining us here on the Xfinity Forums. Let's troubleshoot this issue together. AE1M. If you could please send a direct chat message with your full name and complete service address to “Xfinity Support”, I'd be happy to look into this with you. To do so, click on the chat icon located at the top right of this forum's page.

 


Here are the detailed steps to direct message us:

• Click "Sign In" if necessary

• Click the "Direct Message” icon (upper right corner of this page)

• Click the "New message" (pencil and paper) icon

• Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list

• Type your message in the text area near the bottom of the window

• Press Enter to send your message

 

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