I am currently trying the method i use for downloading at japanhub, i will update this post when or if i am successful. Im using a firefox addon called Video DownloadHelper.
EDIT: I was successful downloading the file but it is a bit tricky to download, first you must play the video a bit so that the addon can grab the file, then you reload the page and try to download, if you end up with a 300 byte file then you must reload the page again. It can take a few tries but eventually you will be downloading the file. You will not get a good download speed but it should be downloaded in 1-2 hours depending on the lenght of the JAV.
"C:\Program Files\wget\wget.exe" --header="Referer:http://highporn.net/" "http://126.96.36.199:8218/ws/13d72c67f3cea74d636b367d860df813.mp4?st=7q7KFVhUduYkcqALTt-QiA&e=1498509137"
Path=C:\ProgramData\Oracle\Java\javapath;C:\Python27\;C:\Python27\Scripts;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\casperjs-1.1.3\bin;C:\phantomjs-2.1.1\bin;C:\Program Files\Git\cmd;C:\Program Files\cURL;C:\Program Files\Wget
curl --referer "http://highporn.net/" -o "d:\_1enc_\MEI-021.mp4" "http://188.8.131.52:8218/ws/13d72c67f3cea74d636b367d860df813.mp4?st=7q7KFVhUduYkcqALTt-QiA&e=1498509137"
wget --header="Referer: http://highporn.net" "http://184.108.40.206:8089/v3/5a264000a27b26850c840b4e8df3c771.mp4?st=B_wsqB5g_FUEYszPiLeo2g&e=1498495671"