I'm also having prolems since yesterday. Speedtest can ping but has trouble running the actual speedtests.
Just spoke to Telkom for a port reset and there are no problems on my line.
Downstream seems very eratic as pages sometimes load fine and other times have a long delay before loading. Can't stream video at all...
*edit* OK there seems to be a problem and Openweb is aware of it and working on it. Very helpful and efficient call centre, thanks Openweb. That is a rare thing in this country.
Same issues here. I went through the same process's and I'm glad to know that OpenWeb is working on the problem