Robtex

Up: 81.3.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.3.28.0/25
Down right: 81.3.28.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.3.28.6	A	mail.ba-consulting.eu
81.3.28.6	A	mail.obg-online.de
81.3.28.10	A	roughtrade-distribution.de
81.3.28.10	A	roughtrade-distribution.com
81.3.28.11	A+PTR	digital.grooveattack.com
81.3.28.11	A	mail.justbridge.de
81.3.28.11	A	test.roughtrade.de
81.3.28.12	A	s-ga-main.grooveattack.com
81.3.28.12	A	digital.grooveattack.com
81.3.28.12	A	s-ga-sync.grooveattack.com
81.3.28.13	A+PTR	s-ga.grooveattack.com
81.3.28.13	A	superrappin.de
81.3.28.13	A	gadigital.de
81.3.28.36	PTR	lw-mu-master.mueritzshop.de
81.3.28.36	A	mail.cafe-storchennest.de
81.3.28.36	A	mail.mueritzradweg.de
81.3.28.66	PTR	s-mh1.macrohelp.de
81.3.28.66	A	maja-productions.com
81.3.28.66	A	www.hiss-eichstetten.de
81.3.28.67	A+PTR	s-mh2.macrohelp.de
81.3.28.67	A	mail.macro-help.de
81.3.28.67	A	macro-help.de
81.3.28.68	PTR	s-mh1.macrohelp.de
81.3.28.68	A	metanovis.com
81.3.28.68	A	metanovis.de
81.3.28.69	PTR	s-mh1.macrohelp.de
81.3.28.69	A	mail.macrohelp.de
81.3.28.70	PTR	s-mh1.macrohelp.de
81.3.28.71	PTR	kunden.macrohelp.de
81.3.28.71	A	kraichgauer-land.de
81.3.28.71	A	mail.macro-cms.de
81.3.28.72	A	81.3.28.72.makro-cms.de
81.3.28.72	A	mail.makro-cms.de
81.3.28.72	A	makro-cms.de
81.3.28.74	A	hinte-tv.com
81.3.28.74	A	hinte-tv.de
81.3.28.74	A	hinte-tv.info
81.3.28.76	PTR	s-mh1.macrohelp.de
81.3.28.103	A	label-monster.com
81.3.28.104	A	label-tapes.fr
81.3.28.104	A	label-tapes.es
81.3.28.104	A	label-tapes.nl
81.3.28.105	A	yng.de
81.3.28.105	A	mail.yng.de
81.3.28.106	A	dschinn.com
81.3.28.106	A	rosige-zeiten.com
81.3.28.110	A	mail.compredia.com
81.3.28.111	A	bremen-walks.com
81.3.28.112	A	*.compredia.eu
81.3.28.112	A	www.compredia.eu
81.3.28.116	A	preiswerte-lasertoner.de
81.3.28.116	A	preiswerte-druckertinte.de
81.3.28.116	A	www.preiswerte-druckertinte.de
81.3.28.117	A	compredia.com
81.3.28.117	A	www.compredia.com
81.3.28.117	A	dc-ac39bc19.compredia.no
81.3.28.119	A	mail.toner-invasion.fr
81.3.28.121	A	zero-to-hero.de
81.3.28.121	A	mail.compredia-gmbh.de
81.3.28.122	A	label-tapes.de
81.3.28.130	A	verlagsinfo.de
81.3.28.130	A	www.verlagsinfo.de
81.3.28.133	A	mail.euro-tier.de
81.3.28.133	A	mail.netguide24.de
81.3.28.146	A	innovationsampel.de
81.3.28.149	A	addon-shop.com
81.3.28.149	A	addon-market.com
81.3.28.149	A	mail.customaze.de
81.3.28.153	A	kautionen-csg.de
81.3.28.153	A	kautionencsg.de
81.3.28.153	A	wohnen-csg.de
81.3.28.162	A	maildirect.braxas.info
81.3.28.165	A	transfer.braxas.de
81.3.28.166	A	timeprofi.de
81.3.28.169	A	braxas.de
81.3.28.169	A	abraxas.info
81.3.28.171	A	postwoman.gvk-firstunit.de
81.3.28.171	A	postwoman.b-rainbow.de
81.3.28.171	A	postwoman.arasa.de
81.3.28.172	A	maildirect.ehrgenia.de
81.3.28.178	A	tectoyou.de
81.3.28.178	A	ideennetzwerk.net
81.3.28.178	A	get-in-form.de
81.3.28.186	A	typo3server.com
81.3.28.186	A	dns.typo3server.com
81.3.28.194	A	mail.hedonia.de
81.3.28.194	A	hedonia.de
81.3.28.210	PTR	s-pd1.neueraeume.net
81.3.28.210	A	dein-rezept.de
81.3.28.210	A	mail.strandalarm.de
81.3.28.222	A	mailer.neueraeume.net
81.3.28.242	PTR	psh100.hostingpool.info
81.3.28.242	A	mail.ha-rootserver.de
81.3.28.242	A	ha-rootserver.de
81.3.28.247	A	teamworkserver.de