We’re currently being affected by an HP Cloud outage.
From their status page:
Update 3:00pm CDT (8:00pm UTC): We continue to
investigate the cause of this issue. The problem is isolated to Layer-3
networking. All instances are currently functioning, but cannot access
the public network. We appreciate your patience while we work to
resolve this problem.
We are currently experiencing issues with connectivity to some
instances running in the US West 13.5 region. Our engineers are engaged
and actively working to resolve this issue. We will update the status
post every half hour to communicate the latest information, and any
change in status.