A total of 73 sites are hosted on 172.217.22.174.
Here are the first 5 as they would appear when searched for:
youtube.com/user/OWN
(null)
youtube.com/user/MIKAVEVO
(null)
youtube.com/user/KyleOnTheGo
(null)
youtube.com/user/advicesmedia
(null)
youtube.com/user/AdelTawilOfficial
(null)
...and the list of the remaining 68:
youtube.com/user/MalovaElena
youtube.com/user/starclassicofficial
youtube.com/user/wordtoall
youtube.com/user/lisa3876
youtube.com/user/GoogleTV
youtube.com/user/SuperheroSummits
youtube.com/user/wp8hub
youtube.com/user/tutorielsarduino
youtube.com/user/dovearabia
youtube.com/user/TopZehn
youtube.com/user/TheOleskaaa
youtube.com/user/sloppycheng
youtube.com/user/coldyammy
youtube.com/user/videogames
youtube.com/user/FridayTVChanel
youtube.com/user/kito5316
youtube.com/user/solidbadluck
youtube.com/user/1stwebdesigner
youtube.com/user/jayz
youtube.com/user/Do4yPkA
youtube.com/user/DreadShow
youtube.com/user/canalaway
youtube.com/user/AdamThomasMoran86
youtube.com/user/bryanadams
youtube.com/user/SGTbull07
youtube.com/user/shaaanxovlogs
youtube.com/user/95Camry4Life
youtube.com/user/contraperiodismo
youtube.com/user/GirlPaPlay
youtube.com/user/CharakPharma
youtube.com/user/Allstate
youtube.com/user/TUUUDOHD
youtube.com/user/TaiwanTalks4
youtube.com/user/DreamTeamLeadership
youtube.com/user/m4xFPS
youtube.com/user/watermicronworld
youtube.com/user/videomusicshowcase
youtube.com/user/skinnyindonesian24
youtube.com/user/AlisonLovesJB
youtube.com/user/RealTime
youtube.com/user/itsrushsmith
youtube.com/user/geonews
youtube.com/user/GRIMEDAILYMEDIA
youtube.com/user/ronnygtx
youtube.com/user/dirtyloops
youtube.com/user/kulturatela
youtube.com/user/F1sTDaCuFFs
youtube.com/user/versus
feeds.feedburner.com/~ff
youtube.com/user/GameDoseShow
youtube.com/user/elithecomputerguy
youtube.com/user/AbouMalak092009
youtube.com/user/thegizmobeast
youtube.com/user/GeneralMinus
youtube.com/user/PrescriptionPixel
youtube.com/user/ABCNews
youtube.com/user/GETTOxFABxFOREVER
youtube.com/user/DoesntmatterPodcast
youtube.com/user/canalparafernalha