Broadband constantly dropping

NotesMan — Tue, 19 Aug 2025 11:12:09 GMT

Issue:
Since moving house 2 years ago, my broadband connection keeps dropping. When it happens:

All router lights go out (except power).
Service can take up to 15 minutes to return.
Each reconnection gives me a new IP address and often a different location (e.g., Northampton, Aylesbury, Milton Keynes, Hayes, Luton, Bristol).

Troubleshooting so far:

Started on 150MB broadband — issue occurred.
Sky checked the line — no fault found.
Router replaced — issue continued.
Upgraded to full fibre (completely new line, cabling, ONT, and Cat5 to router) — issue still continues.

Examples (last 24 hrs):

17/08/2025 10:30 78.105.xxx.xxx Milton Keynes

18/08/2025 14:00 DNS request timed out

18/08/2025 14:30 90.213.xxx.xxx Hayes

19/08/2025 09:30 DNS request timed out

19/08/2025 09:40 90.211.xxx.xxx Milton Keynes

19/08/2025 10:00 DNS request timed out

19/08/2025 10:10 46.64.xxx.xxx Milton Keynes

Router stats (current):

System uptime: 01:52:07
WAN uptime: 01:49:23
Connection speed: Down 999900 kbps / Up 115000 kbps

Request:
Can you investigate why the connection keeps dropping and why my IP location keeps changing despite being on full fibre with new equipment?

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Broadband constantly dropping