2013-01-15 18:19:50 - Some users may be experiencing issues accessing GitHub due to packet loss within an upstream providers network. We are attempting to mitigate this issue.
2013-01-15 20:26:13 - We are continuing to work with providers to diagnose and solve upstream network connectivity issues. We apologize for any inconvenience caused.
2013-01-15 23:31:24 - Upstream network connectivity issues continue to affect GitHub access for a small percentage of users. Weve received notification that one of our upstream network providers will be performing emergency maintenance on malfunctioning device to attempt to resolve this later today. Well update again when we have more information.
2013-01-15 23:55:05 - Our upstream provider has confirmed that they will be performing maintenance at 4pm Pacific Time to attempt to mitigate this issue. There may be a brief moment of high latency or packet loss at the top of the hour. We will update again once we have confirmation the maintenance has been completed.