Robtex

Up: 81.171.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 81.171.100.0/23
Down right: 81.171.102.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.171.100.2	A+PTR	s1.sieperda.nl
81.171.100.2	A	inger-lise.nl
81.171.100.2	A	*.peezs.nl
81.171.100.5	A+PTR	discovery.soetens.net
81.171.100.11	A	jschouten.eu
81.171.100.11	A	mail.jschouten.eu
81.171.100.19	PTR	www.binaries4all.nl
81.171.100.20	PTR	www.binaries4all.com
81.171.100.21	PTR	ubuntu-nl.org
81.171.100.23	PTR	stewie.wojas.nl
81.171.100.23	A	wojas.tk
81.171.100.30	A	payto.eu
81.171.100.30	A	pay2.eu
81.171.100.30	A	pay2.nl
81.171.100.38	PTR	mx1.userved.com
81.171.100.39	PTR	mx2.userved.com
81.171.100.41	PTR	eweka-81-171-100-41.eweka.nl
81.171.100.41	A	bkrb.nl
81.171.100.60	PTR	web.bph2.net
81.171.100.60	A	copainsd.com
81.171.100.60	A	dreamers.nl
81.171.100.67	A	mailbag.spoorenberg.com
81.171.100.80	PTR	boefjes.net
81.171.100.80	A	saruda.net
81.171.100.80	A	boogschutters.com
81.171.100.107	PTR	eweka-81-171-100-107.eweka.nl
81.171.100.135	A	mail.creative4vision.nl
81.171.100.137	PTR	eweka-81-171-100-137.eweka.nl
81.171.100.200	A	robvandendool.com
81.171.100.200	A	mail.robvandendool.com
81.171.100.201	PTR	nightshade.nl
81.171.100.201	A	*.nightshade.nl
81.171.100.201	A	ns2.nightshade.nl
81.171.100.203	PTR	eweka-81-171-100-203.eweka.nl
81.171.100.203	A	*.askie.net
81.171.100.204	A	crypture.net
81.171.100.207	PTR	eweka-81-171-100-207.eweka.nl
81.171.100.207	A	mail.roquesilva.net
81.171.100.207	A	mail.reggiejalleh.com
81.171.100.208	PTR	eweka-81-171-100-208.eweka.nl
81.171.100.208	A	ns1.djplatform.nl
81.171.100.208	A	*.askie.net
81.171.100.215	A	xyrex.nl
81.171.100.245	PTR	mail.webpagina.info
81.171.101.2	A+PTR	ironport.emecks.com
81.171.101.2	A	ironport2.verdaholdings.com
81.171.101.2	A	ironport.srv.eweka.nl
81.171.101.3	PTR	outbound.emecks.com
81.171.101.4	A+PTR	ns1.eweka.nl
81.171.101.4	A	ns1.peezs.nl
81.171.101.5	PTR	ironport2.srv.eweka.nl
81.171.101.8	A	mussaepfel.com
81.171.101.11	A	nederlandexpress.nl
81.171.101.11	A	nederlandexpress.com
81.171.101.30	PTR	uncinc.nl
81.171.101.30	PTR	30-101-171-81.in-addr.eweka.nl
81.171.101.40	PTR	srv1.funnymedia.nl
81.171.101.50	PTR	aap.wizzie.nl
81.171.101.55	PTR	jet.wizzie.nl
81.171.101.107	PTR	smtp04.secureonline.nl
81.171.101.141	PTR	ns2.aaargh-infotainment.nl
81.171.101.230	PTR	extsrv1.bralts.net
81.171.102.12	PTR	service.eweka.nl
81.171.102.12	A	eweka.eu
81.171.102.12	A	www.eweka.eu
81.171.102.14	A+PTR	ns2.eweka.nl
81.171.102.14	A	ns2.peezs.nl
81.171.102.67	A+PTR	noc.eweka.nl
81.171.102.71	A	whdns4.eweka.nl
81.171.102.76	PTR	muzorholland.nl
81.171.102.233	PTR	ve500.colo-rx4.eweka.nl
81.171.103.11	A	fra-7m22-stor01.uploaded.net
81.171.103.12	A	fra-7m22-stor02.uploaded.net
81.171.103.13	A	fra-7m22-stor03.uploaded.net
81.171.103.14	A	fra-7m22-stor04.uploaded.net
81.171.103.15	A	fra-7m22-stor05.uploaded.net
81.171.103.16	A	fra-7m22-stor06.uploaded.net
81.171.103.17	A	fra-7m22-stor07.uploaded.net
81.171.103.18	A	fra-7m22-stor08.uploaded.net
81.171.103.19	A	fra-7m22-stor09.uploaded.net
81.171.103.20	A	fra-7m22-stor10.uploaded.net
81.171.103.21	A	fra-7m21-stor01.uploaded.net
81.171.103.22	A	fra-7m21-stor02.uploaded.net
81.171.103.23	A	fra-7m21-stor03.uploaded.net
81.171.103.24	A	fra-7m21-stor04.uploaded.net
81.171.103.25	A	fra-7m21-stor05.uploaded.net
81.171.103.26	A	fra-7m21-stor06.uploaded.net
81.171.103.27	A	fra-7m21-stor07.uploaded.net
81.171.103.28	A	fra-7m21-stor08.uploaded.net
81.171.103.29	A	fra-7m21-stor09.uploaded.net
81.171.103.30	A	fra-7m20-stor01.uploaded.net
81.171.103.31	A	fra-7m20-stor02.uploaded.net
81.171.103.32	A	fra-7m20-stor03.uploaded.net
81.171.103.33	A	fra-7m20-stor04.uploaded.net
81.171.103.34	A	fra-7m20-stor05.uploaded.net
81.171.103.35	A	fra-7m20-stor06.uploaded.net
81.171.103.36	A	fra-7m20-stor07.uploaded.net
81.171.103.37	A	fra-7m20-stor08.uploaded.net
81.171.103.38	A	fra-7m20-stor09.uploaded.net
81.171.103.39	A	fra-7m19-stor01.uploaded.net
81.171.103.40	A	fra-7m19-stor02.uploaded.net
81.171.103.41	A	fra-7m19-stor03.uploaded.net
81.171.103.42	A	fra-7m19-stor04.uploaded.net
81.171.103.43	A	fra-7m19-stor05.uploaded.net
81.171.103.44	A	fra-7m19-stor06.uploaded.net
81.171.103.45	A	fra-7m19-stor07.uploaded.net
81.171.103.46	A	fra-7m19-stor08.uploaded.net
81.171.103.47	A	fra-7m19-stor09.uploaded.net
81.171.103.48	A	fra-7m19-stor10.uploaded.net
81.171.103.49	A	fra-7m18-stor01.uploaded.net
81.171.103.50	A	fra-7m18-stor02.uploaded.net
81.171.103.51	A	fra-7m18-stor03.uploaded.net
81.171.103.52	A	fra-7m18-stor04.uploaded.net
81.171.103.53	A	fra-7m18-stor05.uploaded.net
81.171.103.54	A	fra-7m18-stor06.uploaded.net
81.171.103.55	A	fra-7m18-stor07.uploaded.net
81.171.103.56	A	fra-7m18-stor08.uploaded.net
81.171.103.57	A	fra-7m18-stor09.uploaded.net
81.171.103.58	A	fra-7m18-stor10.uploaded.net
81.171.103.59	A	fra-7m17-stor01.uploaded.net
81.171.103.60	A	fra-7m17-stor02.uploaded.net
81.171.103.61	A	fra-7m17-stor03.uploaded.net
81.171.103.62	A	fra-7m17-stor04.uploaded.net
81.171.103.63	A	fra-7m17-stor05.uploaded.net
81.171.103.64	A	fra-7m17-stor06.uploaded.net
81.171.103.65	A	fra-7m17-stor07.uploaded.net
81.171.103.66	A	fra-7m17-stor08.uploaded.net
81.171.103.67	A	fra-7m17-stor09.uploaded.net
81.171.103.68	A	fra-7m16-stor09.uploaded.net
81.171.103.69	A	fra-7m16-stor08.uploaded.net
81.171.103.70	A	fra-7m16-stor07.uploaded.net
81.171.103.71	A	fra-7m16-stor06.uploaded.net
81.171.103.72	A	fra-7m16-stor05.uploaded.net
81.171.103.73	A	fra-7m16-stor04.uploaded.net
81.171.103.74	A	fra-7m16-stor03.uploaded.net
81.171.103.75	A	fra-7m16-stor02.uploaded.net
81.171.103.76	A	fra-7m16-stor01.uploaded.net
81.171.103.77	A	fra-7m15-stor01.uploaded.net
81.171.103.78	A	fra-7m15-stor02.uploaded.net
81.171.103.79	A	fra-7m15-stor03.uploaded.net
81.171.103.80	A	fra-7m15-stor04.uploaded.net
81.171.103.81	A	fra-7m15-stor05.uploaded.net
81.171.103.82	A	fra-7m15-stor06.uploaded.net
81.171.103.83	A	fra-7m15-stor07.uploaded.net
81.171.103.137	A	upl-mx01.uploaded.net
81.171.103.144	A+PTR	smtp.uploaded.to
81.171.103.144	A	meta.uploaded.to
81.171.103.145	A+PTR	mmm-mx01.3monkey.me