Ustream problems from 2018-12-12 12:00 to 12:21

On Dec. 12, 2018, noon, ustream.tv stopped responding normally and became unavailable to users.
After 20 minutes, at Dec. 12, 2018, 12:21 p.m., It started behaving normally and we were able to reach it again.

During the downtime, no users reported problems with reaching ustream.tv