Robtex

Up: 5.53.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.53.116.0/23
Down right: 5.53.118.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.53.116.170	PTR	user-mirg-170.dataline.net.ua
5.53.116.170	A	transporttrack.ru
5.53.117.37	PTR	barta-user-37.dataline.net.ua
5.53.117.37	A	paestraining.com
5.53.117.37	A	opebasikolefadi.com
5.53.117.44	A	r1.sn-q5u5apox-afve.gvt1.com
5.53.117.44	A	r1.sn-q5u5apox-afve.googlevideo.com
5.53.117.45	A	r2.sn-q5u5apox-afve.googlevideo.com
5.53.117.46	A	r3.sn-q5u5apox-afve.googlevideo.com
5.53.117.47	PTR	barta-user-47.dataline.net.ua
5.53.117.57	PTR	barta-user-57.dataline.net.ua
5.53.117.72	PTR	trktehnika.dataline.net.ua
5.53.117.73	PTR	trktehnika.dataline.net.ua
5.53.117.74	PTR	trktehnika.dataline.net.ua
5.53.117.75	PTR	trktehnika.dataline.net.ua
5.53.117.78	A+PTR	myasushkin.dataline.net.ua
5.53.117.78	A	thebrain4web.com
5.53.117.130	PTR	kir-od-130.dataline.net.ua
5.53.118.26	PTR	rinsevich.dataline.net.ua
5.53.118.50	A	ns2.mgpublications.com
5.53.118.54	PTR	5.53.118.pribega-54.dataline.net.ua
5.53.118.54	A	gimg.dt00.net
5.53.118.55	PTR	5.53.118.pribega-55.dataline.net.ua
5.53.118.55	A	de.marketgid.com
5.53.118.55	A	pl.marketgid.com
5.53.118.56	PTR	5.53.118.pribega-56.dataline.net.ua
5.53.118.75	PTR	75.btl.dataline.net.ua
5.53.118.75	A	roadrunnerhost.com
5.53.118.91	A	*.it-link.com.ua
5.53.118.91	A	it-link.ua
5.53.118.91	A	colo2.it-link.com.ua
5.53.118.130	PTR	odnosum.dataline.net.ua
5.53.118.130	A	kochetov.net.ua
5.53.118.130	A	mail.kochetov.net.ua
5.53.118.174	A	online.veditourgroup.ua
5.53.118.178	PTR	kozelets-178.dataline.net.ua
5.53.118.178	A	mail.kozelets.info
5.53.118.178	A	ns1.brd.net.ua
5.53.118.182	PTR	kozelets-182.dataline.net.ua
5.53.118.189	PTR	189.vigoda.dataline.net.ua
5.53.118.194	PTR	severenchuk-194.dataline.net.ua
5.53.118.196	PTR	score-tov-196.dataline.net.ua
5.53.118.199	A	gpsi.zae.cc
5.53.118.202	A+PTR	emkon.dataline.net.ua
5.53.118.206	PTR	aska.dataline.net.ua
5.53.118.206	A	ns2.aska.ua
5.53.118.221	PTR	gw.uvokorp.dataline.net.ua
5.53.118.222	PTR	score-tov.dataline.ua
5.53.118.225	PTR	gw.hostpro.dataline.net.ua
5.53.118.226	PTR	226.hostpro.dataline.net.ua
5.53.118.227	PTR	227.hostpro.dataline.net.ua
5.53.118.237	A	www.wi-net.in.ua
5.53.118.237	A	wi-net.in.ua
5.53.118.242	PTR	tacticsystems.dataline.net.ua
5.53.119.2	PTR	muzichenko.dataline.net.ua
5.53.119.4	PTR	automarket-4.dataline.net.ua
5.53.119.10	A+PTR	legkun.dataline.net.ua
5.53.119.14	A+PTR	mama-86.org.ua
5.53.119.14	A	zeleniymaidan.org.ua
5.53.119.14	A	sbs-envir.org
5.53.119.18	A+PTR	muzichenko.dataline.net.ua
5.53.119.22	PTR	morskoyvm.dataline.net.ua
5.53.119.22	A	kashroot.dataline.net.ua
5.53.119.30	A+PTR	krasnoschoka.dataline.net.ua
5.53.119.34	A+PTR	omelchuk.dataline.net.ua
5.53.119.42	A+PTR	mkku.dataline.net.ua
5.53.119.42	A	uiccnet.com.ua
5.53.119.46	A+PTR	tradeassist.dataline.net.ua
5.53.119.50	PTR	trenerpro.dataline.net.ua
5.53.119.54	A+PTR	shaposhnikova.dataline.net.ua
5.53.119.58	PTR	uidpgz.dataline.net.ua
5.53.119.62	PTR	tarabrin.dataline.net.ua
5.53.119.66	A+PTR	valevska.dataline.net.ua
5.53.119.70	A+PTR	korsukov.dataline.net.ua
5.53.119.74	PTR	adef.com.ua
5.53.119.78	A+PTR	naau.dataline.net.ua
5.53.119.78	A	mail2.unba.org.ua
5.53.119.82	A+PTR	geraschenko.dataline.net.ua
5.53.119.86	PTR	udmedia.dataline.net.ua
5.53.119.90	A+PTR	mchs.dataline.net.ua
5.53.119.94	A+PTR	medlab2.dataline.net.ua
5.53.119.98	A+PTR	tik.dataline.net.ua
5.53.119.102	A+PTR	goldsplit.dataline.net.ua
5.53.119.110	PTR	compasswm.dataline.net.ua
5.53.119.114	PTR	koworking.dataline.net.ua
5.53.119.118	PTR	energoconsulting.dataline.net.ua
5.53.119.122	PTR	radar.dataline.net.ua
5.53.119.126	PTR	pamak.dataline.net.ua
5.53.119.130	PTR	malyovaniy.dataline.net.ua
5.53.119.134	PTR	bfne.dataline.net.ua
5.53.119.138	PTR	wakeuptrading.dataline.net.ua
5.53.119.142	PTR	rys.dataline.net.ua
5.53.119.146	PTR	salateira.dataline.net.ua
5.53.119.150	PTR	chiburovskaya.dataline.net.ua
5.53.119.154	PTR	kozlov.dataline.net.ua
5.53.119.158	PTR	radar.dataline.net.ua
5.53.119.162	PTR	uaworker.dataline.net.ua
5.53.119.166	PTR	kashroot.dataline.net.ua
5.53.119.170	PTR	grusheva.dataline.net.ua
5.53.119.174	PTR	ukranet.dataline.net.ua
5.53.119.178	PTR	avioua.dataline.net.ua
5.53.119.182	PTR	sitko.dataline.net.ua
5.53.119.186	PTR	foodexpress.dataline.net.ua
5.53.119.194	PTR	malyovaniy.dataline.net.ua
5.53.119.202	PTR	automarket-202.dataline.net.ua
5.53.119.202	A	mail.ui-t.com.ua
5.53.119.203	PTR	203.ukrinvest.dataline.net.ua
5.53.119.204	PTR	204.ukrinvest.dataline.net.ua
5.53.119.205	PTR	205.ukrinvest.dataline.net.ua
5.53.119.206	PTR	206.ukrinvest.dataline.net.ua
5.53.119.210	PTR	marakesh.dataline.net.ua
5.53.119.214	PTR	medgal.dataline.net.ua
5.53.119.222	PTR	nikitenko.dataline.net.ua
5.53.119.226	PTR	226.artwings.dataline.net.ua
5.53.119.227	PTR	227.artwings.dataline.net.ua
5.53.119.228	PTR	228.artwings.dataline.net.ua
5.53.119.229	PTR	229.artwings.dataline.net.ua
5.53.119.230	PTR	230.artwings.dataline.net.ua
5.53.119.234	PTR	rudiuk.dataline.net.ua
5.53.119.238	PTR	novakivskiy.dataline.net.ua
5.53.119.242	PTR	umcs.dataline.net.ua
5.53.119.246	PTR	klotskiy.dataline.net.ua
5.53.119.250	PTR	alfa-spa-dev.dataline.net.ua
5.53.119.254	PTR	farmastor.dataline.net.ua