19/07/2016 23:00 - 20/07/2016 06:00 BST
21/07/2016 00:01 - 21/07/2016 06:00 BST
Upstream transit provider maintenance.
Up to 15 minutes
An upstream transit provider will be undertaking scheduled maintenance as part of their on-going network enhancement programme. This may affect our support portal, but should have limited impact on customers traffic.