Robtex

Up: 185.52.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.52.188.0/23
Down right: 185.52.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.52.188.14	A	mail.regio-mailer.com
185.52.188.14	A	xidrasnotification.com
185.52.188.14	A	xidrasprint.com
185.52.188.16	PTR	mx.service-mailer.com
185.52.188.16	A	mx.lip-mouth.com
185.52.188.16	A	mx.bad-fantasy.com
185.52.188.17	PTR	mx4.xidrasservice.com
185.52.188.24	A+PTR	sabhm-3fd067.world-imotions.com
185.52.188.115	A+PTR	mx3.xidrasservice.com
185.52.188.161	A+PTR	mta-185-52-188-161.regio-mail.com
185.52.188.254	PTR	mail.content-network-distribution.com
185.52.188.254	A	mail.cnd-customerchannel.com
185.52.188.254	A	mail.cnd-activate.com
185.52.189.4	A+PTR	osrs-536-01.partnerhost.com
185.52.189.4	A	sleepydog-it.com
185.52.189.4	A	mail.die-hotel-app.com
185.52.189.10	PTR	osrs-189-01.partnerhost.com
185.52.189.10	A	mail.campalast.com
185.52.189.10	A	mail.rss-kontaktanzeigen.com
185.52.189.16	A+PTR	nlg-mailchk-01.xidrasservice.com
185.52.189.16	A	mx.funcontainer.ch
185.52.189.16	A	funcontainer.ch
185.52.189.17	A	mariamiacam.tv
185.52.189.19	PTR	osrs-30-01.partnerhost.com
185.52.189.30	A+PTR	osrs-450-01.partnerhost.com
185.52.189.30	A	www.muerzzuschlag.net
185.52.189.30	A	radweg.eu
185.52.189.44	A+PTR	osrs-450-01.partnerhost.com
185.52.189.44	A	sirius-solutions.at
185.52.189.44	A	telefonesex-cam.com
185.52.189.58	A	www.gamblingonlinecasinoslot.com
185.52.189.58	A	chongqingcasino.com
185.52.189.58	A	mail.neueonlinecasinos.com
185.52.189.83	A+PTR	mx2.nextleadgeneration.com
185.52.189.83	A	lovelife.plus
185.52.189.83	A	www.lovelife.plus
185.52.189.84	A+PTR	mx2.partnercash.com
185.52.189.85	A+PTR	mx2.regiolebnis.com
185.52.189.91	PTR	ip-185-52-189-91.xidrasservice.com
185.52.189.91	A	ns01.xidrasservice.com
185.52.189.93	PTR	ip-185-52-189-93.xidrasservice.com
185.52.189.93	A	ns02.xidrasservice.com
185.52.189.94	A+PTR	mail.xidrasmail.com
185.52.189.95	A+PTR	mail.xidrasmail.com
185.52.189.96	A+PTR	mail.xidrasmail.com
185.52.189.101	PTR	smb-01.xidrasservice.com
185.52.189.101	A	privateseiten.net
185.52.189.101	A	fun4everyone.info
185.52.189.102	A	fun4everyone.info
185.52.189.102	A	www.saboom.com
185.52.189.102	A	pacash-promo.xidraslbs.com
185.52.189.103	A	privateseiten.net
185.52.189.103	A	fun4everyone.info
185.52.189.103	A	webclickengine.com
185.52.189.104	PTR	smb-04.xidrasservice.com
185.52.189.104	PTR	mail.digitalespostfach.com
185.52.189.104	A	fun4everyone.info
185.52.189.229	A+PTR	mx.digitalerversand.com
185.52.189.239	A	intimehausfrauen.com
185.52.189.239	A	fatladies.de
185.52.189.239	A	pornflatrate.com
185.52.190.10	A	solutions-rs.com
185.52.190.10	A	mail.backend-rs.com
185.52.190.10	A	backend-rs.com
185.52.191.10	A+PTR	mail.alice-distribution.com
185.52.191.10	A	mail.solution-adc.com
185.52.191.10	A	solution-adc.com