A total of 20 sites are hosted on 198.41.208.138.
Here are the first 5 as they would appear when searched for:
reddit.com/user/dogetipbot
(null)
reddit.com/user/grays55
(null)
reddit.com/user/blake
(null)
reddit.com/user/Pixel91
(null)
reddit.com/user/wwwriter
(null)
...and the list of the remaining 15:
reddit.com/user/natural_red
reddit.com/user/Pugwash79
reddit.com/user/Getwildgonewild
reddit.com/user/dont_stop_me_smee
reddit.com/user/johnmflores
reddit.com/user/baDINGAAA
reddit.com/user/flipflophop
reddit.com/user/LondonLifeCoach
reddit.com/user/Strandedintoronto
reddit.com/user/nuw
reddit.com/user/zachinoz
reddit.com/user/mantisnzl
reddit.com/user/KikiMF
reddit.com/user/missivyjean
reddit.com/user/Matador2016