Robtex

Up: 5.231.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.231.88.0/22
Down right: 5.231.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.231.89.36	A+PTR	ivry.eu
5.231.89.37	A+PTR	iris.ivry.eu
5.231.89.37	A	playstation4-linux.com
5.231.89.37	A	burg-honig.de
5.231.89.39	PTR	ns1.ivry.eu
5.231.89.40	A	digitalmedicalart.com
5.231.89.47	A+PTR	page-arts.de
5.231.89.47	A	page-arts.com
5.231.89.47	A	yogi-mathias.de
5.231.89.48	PTR	page-arts.com
5.231.89.48	A	gutmann-partner.com
5.231.89.48	A	mito-portal.com
5.231.89.51	A	ivry.cloud
5.231.89.53	PTR	ns1.ivry.cloud
5.231.89.54	PTR	deutschewebdesign.de
5.231.90.10	A	www.xn--mazinga-umzge-6ob.com
5.231.90.10	A	web4clans.com
5.231.91.50	A+PTR	resemblesofbooks.com
5.231.91.194	A+PTR	amusedattraction.com
5.231.91.210	A+PTR	sableschool.com
5.231.92.50	A+PTR	emulatesofeducation.com
5.231.92.69	A+PTR	fightuntiltheend.com
5.231.92.82	A+PTR	limitlessending.com
5.231.92.86	A+PTR	jealouscakes.com
5.231.92.100	A+PTR	arizonatimez.com
5.231.92.114	A+PTR	materialselectronic.com
5.231.92.194	A+PTR	diligentdinosaurs.com
5.231.92.210	A+PTR	rightfulrecord.com
5.231.93.50	A+PTR	jobsannounces.com
5.231.93.82	A	growupfreetrial.com
5.231.93.114	A+PTR	engineringelectronic.com
5.231.93.194	A+PTR	powerfulprice.com
5.231.93.210	A+PTR	clutteredcobweb.com
5.231.94.50	A+PTR	revealsofmattersh.com
5.231.94.114	A+PTR	travellersblogers.com
5.231.94.130	A	bestlicence.com
5.231.94.194	A+PTR	encouragingeggnog.com
5.231.94.210	A+PTR	superficialsquirrel.com