A total of 10 sites are hosted on 23.78.100.139.
Here are the first 5 as they would appear when searched for:
audiojungle.net/user/Antarctic
(null)
slashdown.nl
The #1 marketplace for premium website templates, including themes for WordPress, Magento, Drupal, Joomla, and more. Create a website, fast.
themeforest.net/user/WPExplorer
(null)
myboomchat.com
Buy Boomchat - Responsive PHP/AJAX Chat by BoomCoding on CodeCanyon. Boomchat 7.1 ( bridge ) Responsive chat Boomchat is a userfriendly easy to install php chat script that includes lot ...
themeforest.net/user/WebLionMedia
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...and the list of the remaining 5:
audiojungle.net/user/pinkzebra
themeforest.net/user/magentech
themeforest.net/user/Bluxart
themeforest.net/user/WEBNUS
graphicriver.net/user/INDUSTRYKIDZ