My wpmu multisite I created IS working at a public wifi location but my subsite is not.

My wpmu multisite I created IS working at a public wifi location but my subsite is not.

multisite: prosperandgain.com
customer subsite: http://172.25.16.79:15871/cgi-bin/blockpage.cgi?ws-session=3154639540
(womeninthezone.com)

I'm not sure what is wrong. I'm able to go into the backend of womeninthzone.com from my multisite admin log in info.