In this video, we show you how to test if there's an IP block from your ISP.
Doing so with an, e.g., 4G connection because your mobile phone has a different IP address, 

If it plays on your mobile phone connected to a mobile data connection, and not with your wifi connection, then you can be certain that there's an IP block in place.

You can get around that by using a VPN service, this is the one we'd recommend PureVPN

If you want to use the playlist on an IPTV app, here's how to set it up on GSE player.