A total of 10 sites are hosted on 198.41.209.137.
Here are the first 5 as they would appear when searched for:
reddit.com/user/jaykay-47
(null)
reddit.com/user/SexaholicsAnonymous
(null)
fr.reddit.com/user/vinceon
(null)
reddit.com/user/JudoTrip
(null)
reddit.com/user/palmerluckey
(null)
...and the list of the remaining 5:
reddit.com/user/MNchiefsfan
reddit.com/user/Leannepit
reddit.com/user/ThirdTimesACharmm
reddit.com/user/KittenPetrol
reddit.com/user/akaliant