Click on the cdn to visit the page that loads all of the images.
Make sure to inspect the page, go to network tab and disable cache!
I have provided the ips that I am using in case you want to make sure you use the same server I did in my tests.
Make sure you refresh a couple of times to warm up the cache for each.

CacheFly (click)
domain - trent27on.cachefly.net
ip - 66.225.208.216
My waterfall


CDN77 (click)
domain - 1541611051.rsc.cdn77.org
ip - 89.187.164.59
My waterfall


Apple (click)
(NEED TO ADD LINE '17.253.126.65 is3-ssl.mzstatic.com' in C:\Windows\System32\drivers\etc\hosts file! Otherwise it will resolve to Akamai)
domain - is3-ssl.mzstatic.com
ip - 17.253.126.65
My waterfall