Robtex

Up: 212.136.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 212.136.0.0/17
Down right: 212.136.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.136.0.5	A	mail.lmi2.nl
212.136.3.3	PTR	smtp1.grolsch.nl
212.136.3.3	A	mail.grolsch.com
212.136.4.3	PTR	olorin.proteon.nl
212.136.4.24	A	quartz.wknl.com
212.136.4.39	A	igpmonitor.arbeidtools.nl
212.136.6.1	PTR	magnetix.org
212.136.7.34	PTR	mail.wiltech.nl
212.136.7.34	A	mailoud.wiltech.nl
212.136.7.34	A	mailoud.indion.eu
212.136.7.91	A	ns.leaf.nl
212.136.9.12	A	myvpn-europe.qualcomm.com
212.136.9.12	A	myvpn-ams.qualcomm.com
212.136.9.76	A	alexa-in-ams.qualcomm.com
212.136.12.251	A	toverland.be
212.136.18.30	A	mx1.dcogreviews.com
212.136.18.30	A	dcogreviews.com
212.136.19.210	A	12compare.nl
212.136.19.210	A	12sms.nl
212.136.23.12	A	appcomp.nl
212.136.23.12	A	applicationfactory.nl
212.136.29.115	A	mx.overijsselcatalogus.nl
212.136.47.138	A	bartveldkamp.org
212.136.47.148	A	claudio-ferrici-stores.com
212.136.47.148	A	claudioferricistore.cn
212.136.47.148	A	claudio-ferrici-store.com
212.136.48.2	A	mail.econosto.nl
212.136.48.2	A	mail.econosto.com
212.136.48.10	A	webmail.econosto.nl
212.136.48.10	A	www.econosto.nl
212.136.49.129	PTR	amat.com
212.136.56.51	A	mailhost.acision-tele.com
212.136.63.2	PTR	mail.ile.nl
212.136.66.13	A	aftrekpost.nl
212.136.103.21	PTR	mail.pc-ware.nl
212.136.103.53	A	ns2.pc-ware.com
212.136.103.53	A	srv2-comparex.ma
212.136.103.53	A	ns2.comparex-group.com
212.136.105.5	PTR	mail.laurus.nl
212.136.105.98	A	mail-out.dumeco.com
212.136.105.100	A	mail2.dumeco.com
212.136.106.3	A+PTR	mailrelay-bunnik.bibit.com
212.136.106.3	A	mail.bibit.nl
212.136.106.3	A	mailrelay-bunnik.bibit.nl
212.136.106.4	A	ls1-bu.bibit.nl
212.136.110.10	A	tradelinq.eu
212.136.110.10	A	tradelinq.be
212.136.110.10	A	tradelinq.nl
212.136.147.10	PTR	mail.easychip.nl
212.136.150.20	A+PTR	mail1.bluewater.com
212.136.150.20	A	mail1.supernova-energy.com
212.136.150.21	PTR	mail2.bluewater.com
212.136.150.21	A	mail2.supernova-energy.com
212.136.151.210	A	mailhost.volkers.be
212.136.154.193	A	moa.ggd.nl
212.136.178.217	A	sen.globalipcom.com
212.136.178.219	A	amsbsas04.nl.emea.mci.net
212.136.179.194	A	amsbsws01-nl-emea.mci.com
212.136.179.194	A	amsbsws01-nl-emea.verizonbusiness.com
212.136.179.197	A	amsbsws02-nl-emea.mci.com
212.136.181.1	PTR	loopback0.gw5.ams9.alter.net
212.136.181.1	A	gw5.ams9.alter.net
212.136.181.2	A	loopback0.gw6.rtm1.alter.net
212.136.181.23	A	lo0.cr1.ams7.alter.net
212.136.181.76	A	ams6eusoisr2.ams.ops.eu.uu.net
212.136.189.29	A	vlan2.ce1.ams9.alter.net
212.136.189.29	A	ce1.ams9.alter.net
212.136.190.56	A	ethernet.vr2.ams6.alter.net
212.136.190.56	A	vr2.ams6.alter.net
212.136.191.14	A	mc2.ams9.alter.net
212.136.191.27	A	loopback0.mc14.ams9.alter.net
212.136.191.52	A	loopback0.mc15.ams9.alter.net
212.136.195.10	PTR	mail.koop.nl
212.136.200.114	A	mail.vastnedmanagement.com
212.136.200.114	A	mail.vastnedofficesindustrial.com
212.136.200.117	A+PTR	mail.vastned.nl
212.136.200.117	A	mail.foram.nl
212.136.201.178	A	mail.proefpolis.nl
212.136.210.34	PTR	mail.scheuten.nl
212.136.224.43	PTR	mail.zn.nl
212.136.224.114	A	knf-verder.eu
212.136.224.114	A	verder.org
212.136.224.114	A	zeef.be
212.136.226.18	A	mail.craneinspectionservices.com
212.136.226.19	PTR	mail1.kenz.nl
212.136.226.19	A	mail1.craneinspectionservices.com
212.136.226.20	A	craneinspectionservices.com
212.136.226.20	A	*.craneinspectionservices.com
212.136.228.145	A	mail.maxxim-europe.nl
212.136.232.68	PTR	mail.andriessen.nl
212.136.235.52	A	mail.aksense.nl
212.136.237.46	PTR	mail.vega.nl
212.136.237.139	A	mail.airmiles.nl
212.136.237.139	A	mail.lmn.nl
212.136.237.141	A	lmi.nl
212.136.239.22	A	sc-mail.nl
212.136.240.17	A+PTR	fwrouter.hde.nl
212.136.240.18	PTR	hdns01.hde.nl
212.136.240.19	PTR	hdwww.hde.nl
212.136.240.19	A	luxaflexprojects.com
212.136.255.2	PTR	sitewise.nl
212.136.255.5	PTR	pbg.nl