Do you mean the IP address of the device connecting to your router? Once connected to the router, do you use a VPN client to connect to your work network? If so the 192.168.1.x the device was originally assigned, will be replaced by an IP address allocated by your employer's network. Is this what you are referring to?
From the 29th of March our TalkTalk Community will move to peer-to-peer support and the TalkTalk team will no longer be here to support with queries. Don’t worry we still have plenty of ways to reach out if you need to speak to TalkTalk directly. For more details check out the link here
How to contact TalkTalk Broadband - TalkTalk Help & Support
