better way to differentiate github IP Addresses

[ErnestoTaro1]

Please add a better way to recognize github IP addresses instead of hardcoding them

[vamsiikrishna]

@ErnestoTaro1 hopefully our new collaborator @karnikamit will address this issue

[karnikamit]

@ErnestoTaro1 @vamsiikrishna going through the project now, hope to understand before committing to anything.