I have a problem where at home i cannot access a couple of websites i regularly use.

This is on virgin internet.

I have tried wireless and ethernet to the router.

Done the usual router reset, tried clearing cookies etc etc

Still cant access the sites.

I can access them fine on my phone over mobile network, but on my phone i cant access them wirelessly when connected to the virgin router.

every other websit i click is fine.

Any idea why just 2 websites would be innaccesable on virgin but fine elsewhere???