Eric, what I am trying to communicate is that there is nothing to look at. Either the 44.x.x.x address is visible to the Internet or it is not, if it is then you configure the gateway (and its connected repeaters/relays) or hotspot as if it was any other Internet address.
E.g. lets say you have a D-STAR gateway you wish to put on AMPRnet/HAMnet/HAMWAN/Net-44 and it is at address 220.127.116.11
Can you ping/traceroute to it from a computer outside of AMPRnet/HAMnet/HAMWAN/Net-44, say a computer on 18.104.22.168 ?
If yes, then simply install the gateway/hotspot software on the computer at 22.214.171.124 -- that's it, nothing special. (unless someone upstream is blocking the standard ports used for gateways/hotspots/reflectors/etc.)