A total of 19 sites are hosted on 198.41.209.140.
Here are the first 5 as they would appear when searched for:
reddit.com/user/eventhorizonnn
(null)
reddit.com/user/RealLarsUlrich
(null)
reddit.com/user/It_Is_JAMES
(null)
reddit.com/user/imalexbeck
(null)
reddit.com/user/asid16
(null)
...and the list of the remaining 14:
reddit.com/user/cheesuscrust666
reddit.com/user/chowkaideng
reddit.com/user/chasm38
reddit.com/user/kn0thing
reddit.com/user/dogefreedom
reddit.com/user/_BillMurray
reddit.com/user/jc-miles
reddit.com/user/MissMichaelJackson
reddit.com/user/pinkythug
reddit.com/user/avrus
reddit.com/user/iamcleverhoneybadger
reddit.com/user/i_tell_obvious_lies
reddit.com/user/hailsed
reddit.com/user/Unethical_Idealist