Robtex

Up: 84.21.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 84.21.128.0/20
Down right: 84.21.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.21.128.0	PTR	unassigned-84-21-128-0.gconnect.net
84.21.128.1	PTR	unassigned-84-21-128-1.gconnect.net
84.21.128.69	A	mail.mk9.co.uk
84.21.128.85	A	mail7.prshipping.co.uk
84.21.128.85	A	mail7.hemisphere-freight.com
84.21.128.96	PTR	fix-dsl-84-21-128-96.gconnect.net
84.21.128.98	PTR	fix-dsl-84-21-128-98.gconnect.net
84.21.128.98	A	abstest.gconnect.net
84.21.128.100	A	mail.gwhiteandson.com
84.21.128.101	A	mail.ycmeats.com
84.21.128.109	A	mail.lithprint.com
84.21.128.145	A	mailserver.colsys.net
84.21.128.145	A	icetest.co.uk
84.21.128.165	A	mail.albatros-uk.co.uk
84.21.128.181	A	mail.eclhws.com
84.21.128.201	A	remote.sportax.co.uk
84.21.128.225	PTR	fix-dsl-84-21-128-225.gconnect.net
84.21.128.250	A	mail.mbm-omega.co.uk
84.21.129.33	PTR	fix-dsl-84-21-129-33.gconnect.net
84.21.129.43	A	mail.pinnacle-re-tec.co.uk
84.21.129.59	A	mail.mbitservices.co.uk
84.21.129.98	A+PTR	mail.badbypark.co.uk
84.21.129.101	A	remote.ksv.co.uk
84.21.129.121	A	mail.lacamanda.co.uk
84.21.129.121	A	remote.lacamanda.co.uk
84.21.129.128	PTR	fix-dsl-84-21-129-128.gconnect.net
84.21.129.129	PTR	fix-dsl-84-21-129-129.gconnect.net
84.21.129.238	A	cwddns.net
84.21.130.0	PTR	static-dsl-84-21-130-0.gconnect.net
84.21.130.1	PTR	static-dsl-84-21-130-1.gconnect.net
84.21.130.35	PTR	static-dsl-84-21-130-35.gconnect.net
84.21.130.99	PTR	static-dsl-84-21-130-99.gconnect.net
84.21.130.128	PTR	static-dsl-84-21-130-128.gconnect.net
84.21.130.224	PTR	static-dsl-84-21-130-224.gconnect.net
84.21.131.1	PTR	static-dsl-84-21-131-1.gconnect.net
84.21.131.3	PTR	static-dsl-84-21-131-3.gconnect.net
84.21.131.33	PTR	static-dsl-84-21-131-33.gconnect.net
84.21.131.128	PTR	static-dsl-84-21-131-128.gconnect.net
84.21.131.226	PTR	static-dsl-84-21-131-226.gconnect.net
84.21.131.227	PTR	static-dsl-84-21-131-227.gconnect.net
84.21.132.0	PTR	fix-dsl-84-21-132-0.gconnect.net
84.21.132.1	PTR	fix-dsl-84-21-132-1.gconnect.net
84.21.132.2	PTR	fix-dsl-84-21-132-2.gconnect.net
84.21.132.67	PTR	fix-dsl-84-21-132-67.gconnect.net
84.21.132.98	PTR	fix-dsl-84-21-132-98.gconnect.net
84.21.132.99	PTR	fix-dsl-84-21-132-99.gconnect.net
84.21.132.130	PTR	fix-dsl-84-21-132-130.gconnect.net
84.21.132.160	PTR	fix-dsl-84-21-132-160.gconnect.net
84.21.132.194	PTR	fix-dsl-84-21-132-194.gconnect.net
84.21.132.224	PTR	fix-dsl-84-21-132-224.gconnect.net
84.21.132.241	A	fleetef.com
84.21.132.250	A	www.icepacc.com
84.21.132.250	A	collectyourmoney.net
84.21.133.34	PTR	fix-dsl-84-21-133-34.gconnect.net
84.21.133.55	A	mail.urbanwaterside.com
84.21.133.65	PTR	fix-dsl-84-21-133-65.gconnect.net
84.21.133.66	PTR	fix-dsl-84-21-133-66.gconnect.net
84.21.133.96	PTR	fix-dsl-84-21-133-96.gconnect.net
84.21.133.99	PTR	mail.mtsmanagement.co.uk
84.21.133.114	A	mail.abrs.com
84.21.133.129	A	mail.holemasters.co.uk
84.21.133.130	PTR	fix-dsl-84-21-133-130.gconnect.net
84.21.133.156	A	electricpost.com
84.21.133.156	A	*.electricpost.com
84.21.133.156	A	mrbuilder.co.uk
84.21.133.163	PTR	fix-dsl-84-21-133-163.gconnect.net
84.21.133.192	PTR	fix-dsl-84-21-133-192.gconnect.net
84.21.133.193	PTR	fix-dsl-84-21-133-193.gconnect.net
84.21.133.227	PTR	fix-dsl-84-21-133-227.gconnect.net
84.21.133.240	A	mail.euroqualitylambs.co.uk
84.21.134.24	A	mail.brearleyssolicitors.com
84.21.134.173	A	mail.marbridge.co.uk
84.21.135.2	PTR	fix-dsl-84-21-135-2.gconnect.net
84.21.135.41	A	mail.alexican.co.uk
84.21.135.146	A	mail.grammltd.com
84.21.136.0	PTR	unassigned-84-21-136-0.gconnect.net
84.21.136.16	A+PTR	avs1.gconnect.net
84.21.136.16	A	avs.reddsl.com
84.21.136.17	PTR	avs2.gconnect.net
84.21.136.17	A	avs.reddsl.com
84.21.136.17	A	avstls.gconnect.net
84.21.136.18	PTR	avs3.gconnect.net
84.21.136.18	A	avs.reddsl.com
84.21.136.18	A	mail.sherwoodhideaway.com
84.21.136.21	A	avs.reddsl.com
84.21.136.21	A	mail.sherwoodhideaway.com
84.21.136.22	A	avs.reddsl.com
84.21.136.22	A	avstls.gconnect.net
84.21.136.22	A	mail.sherwoodhideaway.com
84.21.136.40	A	mail.gconnect.net
84.21.136.45	A+PTR	ns1.gconnect.net
84.21.136.51	A	mail7.gconnect.net
84.21.136.52	A	mail8.gconnect.net
84.21.136.69	A	evertaut.com
84.21.136.103	A	howardjackson.co.uk
84.21.136.103	A	1stframe.co.uk
84.21.136.103	A	thecurvegroup.co.uk
84.21.137.0	PTR	unassigned-84-21-137-0.gconnect.net
84.21.137.36	A	mail.yorsipp.com
84.21.137.70	PTR	mail2.firstinternet.co.uk
84.21.137.70	A	mail.snorbanpillow.co.uk
84.21.137.70	A	mail.snorbanpillow.com
84.21.137.73	A	promocon.co.uk
84.21.137.73	A	kidzupnorth.co.uk
84.21.137.160	A	mmsupplies.com
84.21.137.160	A	web-104.gconnect.net
84.21.137.160	A	reg.infinium.co.uk
84.21.137.176	PTR	ftp.autoflow.ltd.uk
84.21.137.199	A+PTR	mxstore.gconnect.net
84.21.137.202	A	thingstodointhelakes.co.uk
84.21.137.202	A	thingstodoinbrighton.com
84.21.137.202	A	thingstodoinbristol.info
84.21.137.224	A	www.newheycarpets.co.uk
84.21.137.225	A	kmchr.co.uk
84.21.137.225	A	rarerecordcollector.net
84.21.137.225	A	unicornsolutions.net
84.21.138.0	PTR	unassigned-84-21-138-0.gconnect.net
84.21.138.81	PTR	gcns-bgp1.gconnect.net
84.21.139.0	PTR	unassigned-84-21-139-0.gconnect.net
84.21.139.1	PTR	something.gconnect.net
84.21.139.18	PTR	bahamousainquiry.org
84.21.139.58	A+PTR	nichols.coe.co.uk
84.21.139.58	A	mail.coe.co.uk
84.21.139.78	PTR	mail.facilicomservices.co.uk
84.21.139.162	PTR	mail1.pioneer-computers.com
84.21.139.164	PTR	mail1.mitmac.co.uk
84.21.140.130	PTR	gcdialup-84-21-140-130.gconnect.net
84.21.140.195	PTR	gcdialup-84-21-140-195.gconnect.net
84.21.140.224	PTR	gcdialup-84-21-140-224.gconnect.net
84.21.142.135	PTR	web-101.gconnect.net
84.21.142.135	A	www.beerhere.co.uk
84.21.142.135	A	shirleycrouchevents.com
84.21.142.138	PTR	backup.gconnect.net
84.21.142.170	A+PTR	ns0.gconnect.net
84.21.142.172	A	squirrelmail.gconnect.net
84.21.142.179	A	mosscaretechextranet.org.uk
84.21.142.180	A	pcforseniors.co.uk
84.21.142.200	A	webcluster.gconnect.net
84.21.142.230	PTR	web-102.gconnect.net
84.21.142.230	A	mmsupplies.com
84.21.142.230	A	coupebradbury.com
84.21.143.0	PTR	unassigned-84-21-143-0.gconnect.net
84.21.143.10	A+PTR	ns10.gconnect.net
84.21.143.11	A	ns11.gconnect.net
84.21.143.16	A	www.erigmore.co.uk
84.21.143.18	A	queensberrybay.co.uk
84.21.143.37	A+PTR	crc-rad3.gconnect.net
84.21.143.41	A	cablerod.ca
84.21.143.50	A	cas-spam1.casonline.org.uk
84.21.143.52	A	mailout.casonline.org.uk
84.21.143.66	A	www.danehousinggroup.co.uk
84.21.143.66	A	www.cambridgehs.org.uk
84.21.143.66	A	www.festivalhousing.org
84.21.143.72	PTR	barsbankweb1.barsbank.com
84.21.143.91	A	kmchr.co.uk
84.21.143.98	A	holidayhomestobuy.com
84.21.143.98	A	www.holidayhomestobuy.com
84.21.143.110	A	spectecmail.gconnect.net
84.21.143.112	A	myspectec.com
84.21.143.134	A	mail.paragonbc.net
84.21.143.144	PTR	mail.edenirrigation.co.uk
84.21.143.144	A	crs-records.co.uk
84.21.143.144	A	islemill.com
84.21.143.152	PTR	mail.swanngroupltd.com
84.21.143.162	A	clickintopr.com
84.21.143.162	A	yateslate.co.uk
84.21.143.162	A	theherbalresearchcompanylimited.com
84.21.143.199	A	www.sightandsound.co.uk
84.21.143.220	A	mail.leocaplan.com
84.21.143.222	A	loansteam.co.uk
84.21.143.235	A	spectecweb.gconnect.net
84.21.143.235	A	bpopronet.com
84.21.144.0	PTR	fix-dsl-84-21-144-0.gconnect.net
84.21.144.1	PTR	fix-dsl-84-21-144-1.gconnect.net
84.21.144.69	A	mail.jananmeat.com
84.21.146.0	PTR	unassigned-84-21-146-0.gconnect.net
84.21.146.66	A	calicohousing.co.uk
84.21.146.76	A	parcvu-online.co.uk
84.21.146.78	A	parcvulive.com
84.21.146.113	A+PTR	smtp.officehub.co.uk
84.21.146.113	A	smtp.gconnect.net
84.21.146.113	A	smtp.intafitness.com
84.21.146.139	A	www.thewisegroup.co.uk
84.21.146.154	A	mail.whitecliffbayholidaypark.com
84.21.146.186	A	vpop.kingfisherpark.co.uk
84.21.146.186	A	vpop.heatherview.co.uk
84.21.146.196	A+PTR	vpop.bridgeleisure.com
84.21.146.196	A	vpop.trevella.co.uk
84.21.146.196	A	mail2.bridgeleisure.com
84.21.146.203	PTR	remote.bridgeleisure.com
84.21.146.241	PTR	www.smallbone.co.uk
84.21.146.241	A	smallboneuk.com
84.21.146.241	A	smallbone.eu
84.21.146.242	PTR	mail.canburg.com
84.21.147.9	A	mailout.gconnect.net
84.21.147.10	A+PTR	mailout.gconnect.net
84.21.147.11	A+PTR	mailout1.gconnect.net
84.21.147.13	A	mailout2.gconnect.net
84.21.147.106	A+PTR	ccheatherdale.gconnect.net
84.21.147.145	A	haulfryn-wan.co.uk
84.21.150.149	A	www.maghullhigh.com
84.21.150.149	A	maghullhigh.com
84.21.150.167	A	sjf.wigan.sch.uk
84.21.150.185	A	portal.waterloo.blackpool.sch.uk
84.21.150.196	A	exchange.saintben.derby.sch.uk
84.21.150.216	A	moodle24.olchs.lancs.sch.uk
84.21.150.216	A	vle.olchs.lancs.sch.uk
84.21.151.29	A	moorpark.lancs.sch.uk
84.21.151.82	A	smtp.hemsworth.wakefield.sch.uk
84.21.151.82	A	smtp.hemsworthacademy.org
84.21.151.136	A	rosebridgeacademy.co.uk
84.21.151.136	A	www.rosebridgeacademy.co.uk
84.21.152.75	A	www.bishopheber.cheshire.sch.uk
84.21.152.86	A	www.pershore.worcs.sch.uk