A total of 12 sites are hosted on 151.101.12.193.
Here are the first 5 as they would appear when searched for:
imgur.com/user/InternetOutlaws
(null)
imgur.com/user/relevenceisinthemindofthebeholder
(null)
pgu.me
Imgur is the best place to share and enjoy the most awesome images on the Internet. Every day, millions of people use Imgur to be entertained and inspired by funny, heartwarming and helpful images and stories from all around the world.
imgur.com/user/pwax
(null)
imgur.com/user/mrdorkesq
(null)
...and the list of the remaining 7:
imgur.com/user/TwoBiteBrownie
imgur.com/user/skuba
imgur.com/user/StoneTigris
imgur.com/user/MaxPatlick
imgur.com/user/Fluhx
imgur.com/user/nzce