Web protection exception rule - ip that matches to dns group

Hello,

I'm using a video cloud system called StarLeaf. Since I have enabled SSL traffic, I need to exclude some urls that are written using IP, not a specific hostname.

These ip are 3 and are associated to config.starleaf.com. Actually they are:

72.28.118.203

80.231.134.47

89.202.39.91

For the moment, I created 3 rules like these:

^https?://72\.28\.118\.203\.*

^https?://80\.231\.134\.47\.*

^https?://89\.202\.39\.91\.*

But obviously when the ip will change, I will need to modify the rules too.

Can anyone suggest a way to create a definitive rule?

thanks