That is the MAC address of the WiFi adapter within this connected device. The MAC address uniquely identifies a WiFi adapter. The one that you have included in your post is not a recognised MAC address, please check it.
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
