AWS CloudFront Blocked by Great Firewall of China

I don't know how long this has been going on, but we've noticed that CloudFront has been inaccessible for at least the last 4 hours from China.

This is the CF origin used by Amazon.com itself: http://www.greatfirewallofchina.org/index.php?siteurl=dq4ijymydgrfx.cloudfront.net