Robtex

Up: 81.7.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.7.144.0/21
Down right: 81.7.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.7.144.2	A+PTR	abkm.jay.net
81.7.144.26	PTR	stalden.reinhold.dk
81.7.144.26	A	post.holsoe-ark.dk
81.7.144.27	A+PTR	ubuntu.reinhold.dk
81.7.144.27	A	reinhold.dk
81.7.144.27	A	zaltoglas.dk
81.7.144.28	PTR	server-1.reinhold.dk
81.7.144.29	PTR	server-2.reinhold.dk
81.7.144.34	A+PTR	sql2.eurosupport.dk
81.7.144.34	A+PTR	stat.eurosupport.dk
81.7.144.34	A	*.gundelach.dk
81.7.144.50	A	antispam20.cyanit.dk
81.7.144.51	PTR	dns3.eurosupport.dk
81.7.144.55	A	espa.dk
81.7.144.55	A	fitness-danmark.dk
81.7.144.57	A	term4.eurosupport.dk
81.7.144.80	PTR	sjanti.dk
81.7.144.103	A	cph-art.info
81.7.144.105	A	klarsynskole.dk
81.7.144.110	A	*.forfilm.dk
81.7.144.110	A	forfilm.dk
81.7.144.113	A	nxs.dk
81.7.144.114	A	htmlticker.nmd.dk
81.7.144.140	A+PTR	www.dcgj.dk
81.7.144.140	A	dcgj.dk
81.7.144.140	A	braunstein.eu
81.7.144.142	PTR	mail01.lidico.eu
81.7.144.144	A	www.suenson.dk
81.7.144.144	A	ottosuenson.dk
81.7.144.144	A	www.ottosuenson.dk
81.7.144.164	A	mail.conero.dk
81.7.144.218	A	geelsmark.net
81.7.144.218	A	geelsmark.eu
81.7.144.248	A	www.easysteel.se
81.7.144.248	A	www.crosinox.com
81.7.144.248	A	www.easysteel.dk
81.7.145.4	A	movieposter.dk
81.7.145.4	A	www.itcloud.dk
81.7.145.4	A	snydtsoemand.dk
81.7.145.18	A+PTR	service01.jay.net
81.7.145.18	A	service1.jay.net
81.7.145.34	PTR	mail.kinema.dk
81.7.145.34	A	*.ugrip.dk
81.7.145.34	A	gubbi.dk
81.7.145.58	A+PTR	ns.jay.net
81.7.145.58	A	ns1.2fast.dk
81.7.145.58	A	ns1.jay.net
81.7.146.8	A	valtechdk-ns01.valtech.dk
81.7.146.9	A	valtechdk-ns02.valtech.dk
81.7.147.23	A	23.147.7.81.ip.jay.net
81.7.148.10	PTR	rtr-1.lagkagehuset.grenaavej.evpn.jay.net
81.7.148.23	A	nti.dk
81.7.148.23	A	nticad.se
81.7.148.34	A+PTR	mail.primero.dk
81.7.148.34	A	mail.computersupport.dk
81.7.148.34	A	mail.getvisual.dk
81.7.148.35	A	scanmetals.dk
81.7.148.50	PTR	lotto24.dk
81.7.148.50	A	mail.lotto24.co.uk
81.7.148.50	A	mail.lottojohn.com
81.7.148.77	A	simonline.dk
81.7.148.77	A	www.simonline.dk
81.7.148.132	A	myplanet.dk
81.7.148.133	PTR	marcopolo.dk
81.7.148.133	PTR	myplanet.dk
81.7.148.133	PTR	myplanet.se
81.7.148.144	A	*.opgroup.dk
81.7.148.144	A	opgroup.dk
81.7.148.146	A	it-r.se
81.7.148.157	A	mail.strategisk-netvaerk.dk
81.7.149.131	A	mynpm.dk
81.7.149.170	A	medarbejderforsikringer.dk
81.7.149.170	A	licforsikring.dk
81.7.149.170	A	mondux.se
81.7.149.194	A	mail.megatech.dk
81.7.149.194	A	mail1.megatech.dk
81.7.149.194	A	mail2.megatech.dk
81.7.149.210	A	wms.jay.net
81.7.149.211	A+PTR	wms01.jay.net
81.7.149.211	A	stream1.jay.net
81.7.149.212	PTR	wms02.jay.net
81.7.149.212	A	stream2.jay.net
81.7.149.242	A+PTR	wsweb.web-solutions.eu
81.7.149.242	A	web-solutions.eu
81.7.149.242	A	web-solutions.dk
81.7.150.10	A	webinterview.dk
81.7.150.10	A	meningsmaalinger.dk
81.7.150.10	A	reklameforbrug.dk
81.7.150.34	A	luminar.dk
81.7.150.37	A	mxbackup.snabela.com
81.7.150.42	PTR	backup.databoks.dk
81.7.150.43	A	backup.databoks.dk
81.7.150.66	A+PTR	ns.web-solutions.dk
81.7.150.68	A	1-domain.dk
81.7.150.68	A	www.1-domain.dk
81.7.150.77	A	wsmail.web-solutions.eu
81.7.150.122	A+PTR	s3dix.jay.net
81.7.150.128	A+PTR	128.150.7.81.ip.jay.net
81.7.150.132	A	132.150.7.81.ip.jay.net
81.7.150.143	A	143.150.7.81.ip.jay.net
81.7.150.144	PTR	144.150.7.81.ip.jay.net
81.7.150.146	PTR	146.150.7.81.ip.jay.net
81.7.150.155	A	155.150.7.81.ip.jay.net
81.7.150.157	A	157.150.7.81.ip.jay.net
81.7.150.158	A	158.150.7.81.ip.jay.net
81.7.150.159	A	159.150.7.81.ip.jay.net
81.7.150.161	A+PTR	161.150.7.81.ip.jay.net
81.7.150.163	PTR	163.150.7.81.ip.jay.net
81.7.150.176	PTR	176.150.7.81.ip.jay.net
81.7.150.181	A	181.150.7.81.ip.jay.net
81.7.150.182	A	182.150.7.81.ip.jay.net
81.7.150.183	A	183.150.7.81.ip.jay.net
81.7.150.195	PTR	195.150.7.81.ip.jay.net
81.7.150.197	A	197.150.7.81.ip.jay.net
81.7.150.206	A	206.150.7.81.ip.jay.net
81.7.150.208	PTR	208.150.7.81.ip.jay.net
81.7.150.209	PTR	209.150.7.81.ip.jay.net
81.7.150.210	A+PTR	210.150.7.81.ip.jay.net
81.7.150.216	A	216.150.7.81.ip.jay.net
81.7.150.219	A	219.150.7.81.ip.jay.net
81.7.150.220	A	220.150.7.81.ip.jay.net
81.7.150.224	A+PTR	224.150.7.81.ip.jay.net
81.7.150.232	A	232.150.7.81.ip.jay.net
81.7.150.234	A	234.150.7.81.ip.jay.net
81.7.150.238	A	238.150.7.81.ip.jay.net
81.7.150.241	A+PTR	241.150.7.81.ip.jay.net
81.7.150.243	PTR	243.150.7.81.ip.jay.net
81.7.150.245	A	245.150.7.81.ip.jay.net
81.7.150.254	A	254.150.7.81.ip.jay.net
81.7.151.10	A	mx-backup.datapimp.dk
81.7.151.10	A	polly.andersenit.dk
81.7.151.11	A+PTR	gurli.andersenit.dk
81.7.151.20	A	mx20.trial.dk
81.7.151.21	A	mail-relay.andersenit.dk
81.7.151.27	PTR	adi.andersenit.dk
81.7.151.27	A	dis-danmark.dk
81.7.151.27	A	*.dis-danmark.dk
81.7.151.60	A	betty.andersenit.dk
81.7.151.65	A+PTR	buffy.andersenit.dk
81.7.151.70	A	conny.andersenit.dk
81.7.151.100	A+PTR	vivia.andersenit.dk
81.7.151.101	A	olga.andersenit.dk
81.7.151.103	A	vibeke.andersenit.dk
81.7.151.103	A	s-mx30.kighans.dk
81.7.151.206	A	fugleognatur.dk
81.7.151.206	A	*.fugleognatur.dk
81.7.151.206	A	nelly.andersenit.dk
81.7.151.231	A	incoming-mx.andersenit.dk
81.7.151.250	A+PTR	honeymonster.ouzo12.dk
81.7.151.254	A	oda.andersenit.dk
81.7.152.9	A+PTR	webstats.jay.net
81.7.152.14	A+PTR	awstats.jay.net
81.7.152.102	A	vby.jay.net
81.7.152.103	A+PTR	noe.jay.net
81.7.152.104	A+PTR	jaykon.jay.net
81.7.152.106	A+PTR	sydvestvej100.jay.net
81.7.152.112	A+PTR	yno.jay.net
81.7.152.113	PTR	interxion.jay.net
81.7.152.113	A+PTR	s1int.jay.net
81.7.152.117	A+PTR	oeb.jay.net
81.7.152.118	A	svefw.jay.net
81.7.152.128	A+PTR	svefw2.jay.net
81.7.152.130	A+PTR	bye.jay.net
81.7.152.134	A+PTR	bye2.jay.net
81.7.152.135	A+PTR	pol-sw.jay.net
81.7.152.152	A+PTR	hhl.jay.net
81.7.152.153	A+PTR	fm.jay.net
81.7.152.154	A	abc.jay.net
81.7.152.157	A	kj.jay.net
81.7.152.163	A+PTR	bi.jay.net
81.7.152.166	A	fd.jay.net
81.7.152.200	A+PTR	jaynetsystem.jay.net
81.7.152.202	A+PTR	netmon2.jay.net
81.7.152.204	A+PTR	rs8roenne.jay.net
81.7.152.204	A+PTR	s2sve.jay.net
81.7.152.208	A	rs8gartner.jay.net
81.7.153.3	A	dslam5.jay.net
81.7.153.4	PTR	ds.by-1.jay.net
81.7.153.4	A	dslam7.jay.net
81.7.155.1	A+PTR	gsr1.glo.jay.net
81.7.155.10	A+PTR	frihjemmeside.2fast.dk
81.7.155.10	A	s-b-v.dk
81.7.155.10	A	bluequest.dk
81.7.155.11	PTR	web01.2fast.dk
81.7.155.12	PTR	web02.2fast.dk
81.7.155.16	A+PTR	mysql01.2fast.dk
81.7.155.16	A	freddy.2fast.dk
81.7.155.17	PTR	eclub.2fast.dk
81.7.155.18	A+PTR	smtp.2fast.dk
81.7.155.19	PTR	mx-mail1.2fast.dk
81.7.155.20	A	support.2fast.dk
81.7.155.41	A+PTR	merak.2fast.dk
81.7.155.41	A	pop3.2fast.dk
81.7.158.17	PTR	arnepedersen.dk
81.7.158.20	PTR	video-huset.dk
81.7.158.20	A	mail.video-huset.dk
81.7.158.20	A	remote.video-huset.dk
81.7.158.22	A	nem-itsolutions.dk
81.7.158.22	A	nemitsolutions.dk
81.7.158.33	PTR	clubcollection.com
81.7.158.33	A	mail.clubcollection.com
81.7.158.35	PTR	administrea.dk
81.7.158.35	A	mail.administrea.dk
81.7.158.36	A	ts.administrea.dk
81.7.158.45	PTR	mail.tmkkirurgi.dk
81.7.158.45	A	mail.flemmingharder.dk
81.7.158.53	A	www.dpa-system.dk
81.7.158.55	A	bilordning.dk
81.7.158.130	A	mail.settwell.dk
81.7.158.131	A	mail.lindeoglarsen.dk
81.7.158.132	A	mail.ajouradvokater.dk
81.7.158.133	A	mail.grubbe-advo.dk
81.7.158.158	A	noc.nemits.dk
81.7.158.165	A+PTR	mail.industriensuddannelser.dk
81.7.158.165	A	webaccess.industriensuddannelser.dk
81.7.158.165	A	www.bilordning.dk
81.7.158.166	A	www.ikuf.dk
81.7.158.169	A	iu.dk
81.7.158.178	A	iu.dk
81.7.158.218	A+PTR	mail2.nemits.dk
81.7.159.2	PTR	segtel.dk
81.7.159.107	PTR	segtel.dk
81.7.159.125	PTR	segtel.dk
81.7.159.139	A	webhotel2.formit.biz
81.7.159.146	A	post.micajopi.dk
81.7.159.148	A	post.filemakercenter.dk
81.7.159.196	A	ag-marina.dk
81.7.159.246	A	kerio.concerts.dk
81.7.159.250	A	mail.moltke-leth.dk