Robtex

Up: 81.2.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 81.2.128.0/19
Down right: 81.2.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.2.129.39	A	xn--przisa-immobilien-rqb.de
81.2.129.39	A	xn--przisa-berlin-cfb.de
81.2.129.39	A	xn--przisa-erfurt-cfb.de
81.2.129.77	A	mail.bgnelectronics.bg
81.2.129.89	A	mailweb.xt-commerce.com
81.2.129.130	A	mail.ktoys.de
81.2.129.131	A	ktoys.de
81.2.129.203	PTR	quarterserver2.quarterserver.de
81.2.129.203	A	admonster.de
81.2.129.203	A	mail.quarterserve.de
81.2.130.49	A	erster.netzpiloten.de
81.2.131.36	A	breakeven.biz
81.2.131.36	A	mysecret.de
81.2.131.36	A	xn--fderation-07a.de
81.2.131.80	A	brotundspiele.de
81.2.131.110	A	cstrike-2.de
81.2.131.110	A	tf2mail.de
81.2.132.1	PTR	1.132.2.81.daxisweb.net
81.2.132.2	A	ns3.daxisweb.net
81.2.132.3	A	ns1.daxisweb.nl
81.2.132.3	A	ns1.daxisweb.com
81.2.132.9	A	drive.didax.nl
81.2.132.66	PTR	66.132.2.81.daxisweb.net
81.2.132.66	A	ns.hobodesign.nl
81.2.133.2	A	ns4.daxisweb.net
81.2.133.3	PTR	ns2.daxisweb.net
81.2.133.3	A	ns2.daxisweb.nl
81.2.133.11	A	*.mediatouch.nl
81.2.133.11	A	menra.nl
81.2.133.102	A	linux.hattink.com
81.2.133.102	A	*.hattink.com
81.2.133.102	A	dns.hattink.com
81.2.133.167	A	mail.fruchtfolgemanager.de
81.2.133.216	A	mail.daxisweb.eu
81.2.134.8	A	notruf112.info
81.2.134.8	A	steigerstiftung.info
81.2.134.8	A	deutschland-registriert-sich.de
81.2.134.71	A	computer-allerlei.at
81.2.134.71	A	mail.computer-allerlei.at
81.2.134.80	A	mail.amh-detmold.de
81.2.134.80	A	mail.xn--andreasbrnzel-jfb.de
81.2.134.140	A	grelfswalder-hengste.de
81.2.134.140	A	mail.mi-ko-tec.de
81.2.134.140	A	mail.mikotec-sys.de
81.2.134.195	A	mail.kunstmacher.ch
81.2.134.195	A	kunstmacher.ch
81.2.134.200	A	mail.rosentritt-stuckateu.de
81.2.134.200	A	rosentritt-stuckateu.de
81.2.135.9	A	guideid.fr
81.2.135.9	A	apps.podcatcher.eu
81.2.135.9	A	vepon.nl
81.2.135.103	A	mail.drukwerkdeal.pl
81.2.135.103	A	mail.drukwerkdeal.es
81.2.135.103	A	mail.printdeals.cz
81.2.135.227	A	www.icorp.nl
81.2.135.227	A	srv.icorp.nl
81.2.135.227	A	mail.icorp.nl
81.2.136.61	A	mail.ssl-instant.de
81.2.136.61	A	ssl-instant.de
81.2.136.61	A	mail.sslinstant.de
81.2.136.96	A	www.danmax.dk
81.2.136.96	A	danmax.dk
81.2.136.128	A	www.tenhagen.net
81.2.136.197	A	daily-fun.de
81.2.136.200	A	billigtelephoniern.de
81.2.136.200	A	secure-future.de
81.2.136.200	A	mail.billigtelephoniern.de
81.2.137.18	A	exkite.de
81.2.137.18	A	linkeintrag.de
81.2.137.18	A	positions-garantie.de
81.2.138.134	A	schwanekamps.de
81.2.139.60	A	hornhues.com
81.2.141.145	A	*.jk-sales24.com
81.2.141.145	A	jk-sales24.de
81.2.141.145	A	geizkasten-24.de
81.2.148.66	A+PTR	caesar.plexgroup.com
81.2.148.98	A	toto-products.com
81.2.148.100	A	alpha.plexgroup.com
81.2.148.101	A	kalksandstein.de
81.2.149.9	A	mail.vogrin.at
81.2.149.9	A	vogrin.at
81.2.149.66	PTR	web01.freiland.cc
81.2.149.66	A	mail.markein1sekunde.de
81.2.149.66	A	mail.diemarkein1sekunde.de
81.2.149.130	PTR	v-server1.servercrew.de
81.2.152.3	A+PTR	mail.interquest.de
81.2.152.3	A	mail2.interquest.de
81.2.152.8	A	cgi-bin.kmc-online.de
81.2.152.8	A	mail.kmc-online.de
81.2.155.33	A	ipex-media.net
81.2.155.34	A	mail.quovadis-pr-agentur.de
81.2.155.40	A	eatserver.net
81.2.155.40	A	mail.eatserver.net
81.2.155.69	A	mail.wunschkaserne.de
81.2.155.69	A	wunschkaserne.de
81.2.155.70	A	www.hidag.de
81.2.155.71	A	mail.roselt-wolter.de
81.2.155.130	PTR	reactio.org
81.2.155.176	A	musikmeier.de
81.2.155.176	A	flarenews.com
81.2.155.176	A	mx0.host7.de
81.2.161.75	A	mail.miba-klemmtechnik.de
81.2.161.123	A	mail.fitness-designer.de
81.2.161.123	A	mail.fitnessdesigner.de
81.2.162.180	A	projektorbirnen.com
81.2.162.180	A	projektorbirnen.de
81.2.162.180	A	leuchtkoerper.com
81.2.162.210	A	mail.superingo.com
81.2.162.210	A	superingo.com
81.2.166.155	A	mail.gg-league.de
81.2.166.155	A	gg-league.de
81.2.166.156	A	mail.wupptech.de
81.2.166.157	A	mail.hbfm2002.de
81.2.167.18	A	reputationware.com
81.2.167.115	A	ottowestie.com
81.2.167.238	A	multiplayer-cheats.de
81.2.170.30	PTR	mail.vatrix.de
81.2.170.81	PTR	server85.serverflex.de
81.2.170.81	A	dnsflex.de
81.2.170.81	A	mail.dnsflex.de
81.2.172.100	A	gaming-experts.de
81.2.176.82	A	auto-digital.nl
81.2.176.93	A	mail.eminds.de
81.2.176.96	A	mail.xn--schtz-online-flb.com
81.2.176.111	A	xn--lters-kva.de
81.2.176.132	A	gasthaus-altweisenau-mainz.de
81.2.176.132	A	germanylastminute.de
81.2.176.132	A	germany-last-minute.de
81.2.177.173	A	thechamps.co.uk
81.2.178.169	A	pocketpz1.de
81.2.178.196	A	leilas-world.de
81.2.178.228	A	last-minute-online-urlaub.de
81.2.178.230	A	blue-airlines.de
81.2.179.54	A	mail.cosmosshop.eu
81.2.180.105	A	all4skins.com
81.2.180.105	A	4allskins.com
81.2.181.15	A	mail.tk-recycling.de
81.2.181.15	A	tk-recycling.de
81.2.181.34	A	mail.cordula.de
81.2.181.34	A	dogging.at
81.2.184.3	A	newmail.eddiebauer.de
81.2.186.2	A+PTR	pcc001.pht-hb.it
81.2.186.2	A	pht-hb.it
81.2.186.4	A+PTR	pcd001.pht-hb.it
81.2.186.5	A	pcc002.pht-hb.it
81.2.186.7	A	pch001.pht-hb.it
81.2.186.120	A+PTR	pch001.pht-hb.it
81.2.186.241	A	ns2.henn12.de
81.2.187.10	A	mail.embedded-tools.de
81.2.187.31	A	mail.gronau.de
81.2.187.155	A	kurzurlaub-dresden.de
81.2.187.155	A	kurzurlaub-muenchen.de
81.2.187.155	A	kurzurlaub-berlin.de
81.2.187.195	A	leightweightwheels.de
81.2.187.195	A	mail.leightweightwheels.de
81.2.187.195	A	leightweightwheels.com
81.2.187.226	A	dsonline.de
81.2.189.79	A+PTR	open6.net
81.2.189.162	PTR	mambo.familien-welt.de
81.2.189.162	A	skigebiete-oberbayern.de
81.2.189.162	A	mail.wintersport-schweden.de
81.2.190.135	A	real3a.xtb.com
81.2.190.136	A	real3b.xtb.com
81.2.190.138	A	demoa.xtb.com
81.2.190.144	A	ns1.henn12.de
81.2.190.204	A	vivatherm.it
81.2.190.226	A	barionet.net