Earlier quoted context omitted.
Perhaps delta is the port. How do you scan for validity of an IP address?
You can just type the IP address into your browser. But that is unlikely to be it. If the puzzle maker has even half a brain, those four numbers are only some part of the puzzle. If you look at the equations, they are way more complex than they need to be to give those four numbers. There must be additional data encoded there somehow. Of course if the puzzle maker is clever, there'll also be a clue there somewhere. O…
Agreed that it's probably not the solution, just wondering.