On an Amtrak and crawling the internet for interesting North Korea items. I haven’t been able to verify anything on the page but the author seems to claim that there are 7 ip’s that are associated with the North Korean army: https://translate.google.com/translate?sl=auto&tl=en&u=http%3A%2F%2Fkelvinsecteam.blogspot.com%2F2015%2F01%2Fkorea-del-norte-y-su-red-actual.html