Robtex

Up: 164.39.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 164.39.0.0/20
Down right: 164.39.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.39.0.0	PTR	no-reverse-dns.metronet-uk.com
164.39.0.97	PTR	no-reverse-dns.metronet-uk.com
164.39.0.97	A	rpcosts.co.uk
164.39.0.135	A	mail.iconsearchandselection.com
164.39.0.141	A+PTR	remote.ailuk.com
164.39.0.145	A	iconsearchandselection.dyndns.org
164.39.0.215	PTR	no-reverse-dns.metronet-uk.com
164.39.0.215	A	mail.earlyyearsambassadors.co.uk
164.39.1.34	A	mail.efaxmessage81.ml
164.39.1.34	A	efaxmessage81.ml
164.39.1.67	A	mail.ukirm.co.uk
164.39.1.67	A	mail.ukirm.com
164.39.1.88	PTR	no-reverse-dns.metronet-uk.com
164.39.1.88	A	alphaplusdataserver.no-ip.biz
164.39.1.213	PTR	no-reverse-dns.metronet-uk.com
164.39.1.221	A	internal.interflexmarketing.com
164.39.1.235	A	backup-mail2.amwealth.co.uk
164.39.1.235	A	mail.amwealth.co.uk
164.39.1.236	PTR	mail.minus5media.co.uk
164.39.1.236	A	mail.mortgageaudit.co.uk
164.39.2.68	A	mailserver.assuredvehiclerental.com
164.39.2.135	PTR	no-reverse-dns.metronet-uk.com
164.39.2.135	A	mail.ryanslaw.co.uk
164.39.2.202	PTR	no-reverse-dns.metronet-uk.com
164.39.3.2	PTR	no-reverse-dns.metronet-uk.com
164.39.3.105	PTR	no-reverse-dns.metronet-uk.com
164.39.3.105	A	mail.oaklandconsulting.com
164.39.3.105	A	mail.ecforbe.com
164.39.4.146	A	turin.ital-logistics.co.uk
164.39.4.154	A	mail.antoniou.biz
164.39.4.154	A	antoniou.biz
164.39.4.154	A	lomature.eu
164.39.4.155	PTR	promeus.co
164.39.4.210	A	access2demos.com
164.39.5.12	A+PTR	spamfilter1.metronet-uk.com
164.39.5.13	A+PTR	spamfilter2.metronet-uk.com
164.39.5.58	A	mail.fhtgrouptours.com
164.39.5.68	PTR	no-reverse-dns.metronet-uk.com
164.39.5.68	A	yourbusinessmonster.com
164.39.5.72	PTR	no-reverse-dns.metronet-uk.com
164.39.5.72	A	wvhtportal.co.uk
164.39.5.77	A	wvhtprivate.co.uk
164.39.5.210	A	mail.stc-uk.com
164.39.7.66	A	mail.retrofuzz.com
164.39.7.88	PTR	no-reverse-dns.metronet-uk.com
164.39.7.99	PTR	wh1-web-manchester.nevisinternet.net
164.39.7.99	A	stevebollen.com
164.39.7.99	A	mail.lrdesigns.co.uk
164.39.7.101	PTR	ns1.nevisinternet.net
164.39.7.164	PTR	no-reverse-dns.metronet-uk.com
164.39.7.250	A	mail.twobirds-web2print.com
164.39.7.250	A	mail2.resource-ps.co.uk
164.39.7.250	A	mail.resource-ps.co.uk
164.39.8.2	PTR	no-reverse-dns.metronet-uk.com
164.39.8.42	A	mail.cmlalloys.com
164.39.8.46	A	rolledalloys.pl
164.39.8.50	PTR	no-reverse-dns.metronet-uk.com
164.39.8.50	A	mail.nationwidecare.org
164.39.8.74	A	mail.impromptupublishing.com
164.39.8.166	A+PTR	mail.smokinggunpr.co.uk
164.39.8.194	A	myscanlans.com
164.39.8.234	A	mail.townhousehotelmanchester.com
164.39.8.234	A	remote.titanichotelliverpool.com
164.39.8.234	A	mail.titanichotelliverpool.com
164.39.9.165	PTR	no-reverse-dns.metronet-uk.com
164.39.9.165	A	mail.lloyds-ip.co.uk
164.39.9.172	A	mail.lloydsip-cloud.co.uk
164.39.9.234	A+PTR	mail.itg.uk.com
164.39.10.28	A+PTR	mail.tigertrailers.co.uk
164.39.10.28	A	mx.tigertrailers.co.uk
164.39.10.28	A	tigertrailers.co.uk
164.39.10.62	A	smtp-relay.nowiresemail.com
164.39.10.132	PTR	no-reverse-dns.metronet-uk.com
164.39.10.132	A	filter.anlaw.co.uk
164.39.10.139	PTR	no-reverse-dns.metronet-uk.com
164.39.10.139	A	computronmedia.co.uk
164.39.10.139	A	bananagaming.co.uk
164.39.10.218	A+PTR	remote.directfood.net
164.39.11.26	PTR	mailgate.mla-ltd.co.uk
164.39.11.137	PTR	no-reverse-dns.metronet-uk.com
164.39.11.137	A	johnmark.co.uk
164.39.11.137	A	www.nitecrest.com
164.39.11.149	PTR	no-reverse-dns.metronet-uk.com
164.39.11.154	PTR	mxshield.itanswers.com
164.39.11.174	A+PTR	mail.just-trays.co.uk
164.39.11.197	A	mailgate.myerssolicitors.co.uk
164.39.11.197	A	remote.myerssolicitors.co.uk
164.39.11.198	A	mail.rowlinsons.co.uk
164.39.12.4	PTR	no-reverse-dns.metronet-uk.com
164.39.12.4	A	mail.numerodemo.com
164.39.12.123	PTR	no-reverse-dns.metronet-uk.com
164.39.12.123	A	mail.zeuscapital.co.uk
164.39.12.146	A	met1.watsonmoore.com
164.39.12.147	A	met2.watsonmoore.com
164.39.12.147	A	mail.watsonmoore.com
164.39.12.148	PTR	no-reverse-dns.metronet-uk.com
164.39.12.148	A	met3.watsonmoore.com
164.39.13.52	A	connexone.co.za
164.39.13.61	PTR	no-reverse-dns.metronet-uk.com
164.39.13.61	A	www.connex.uk.com
164.39.13.61	A	connexone.co.uk
164.39.13.78	PTR	myparceldelivery.com
164.39.13.78	A	mail.myparceldelivery.com
164.39.13.106	PTR	no-reverse-dns.metronet-uk.com
164.39.13.106	A	mail.bm3.co.uk
164.39.13.134	A	mail.hurstwoodholdings.com
164.39.13.226	PTR	no-reverse-dns.metronet-uk.com
164.39.13.226	A	firewall-demon-tweeks.com
164.39.13.235	PTR	no-reverse-dns.metronet-uk.com
164.39.13.235	A	testadyen-demon-tweeks.com
164.39.13.236	PTR	no-reverse-dns.metronet-uk.com
164.39.13.236	A	adyen-demon-tweeks.com
164.39.13.242	PTR	no-reverse-dns.metronet-uk.com
164.39.14.36	PTR	no-reverse-dns.metronet-uk.com
164.39.14.36	A	mail.mrfoz.com
164.39.14.50	A	mail.masonowen.com
164.39.14.65	A	aoms.co.uk
164.39.14.82	A	esa.thedeantrust.co.uk
164.39.14.135	PTR	no-reverse-dns.metronet-uk.com
164.39.14.135	A	www.mgscentral.org
164.39.14.141	A	mail.mgs.org
164.39.14.154	A	mail.compasscosts.com
164.39.14.155	A	mail.compasscosts.co.uk
164.39.15.61	A	mail.johnsonflemingflp.com
164.39.15.107	PTR	exch2010.msl.co.uk
164.39.15.107	A	mail.msl-le.co.uk
164.39.16.55	PTR	no-reverse-dns.metronet-uk.com
164.39.16.55	A	cosnet.costain.com
164.39.17.53	PTR	no-reverse-dns.metronet-uk.com
164.39.17.53	A	mail.abbeyengland.eu
164.39.17.53	A	mail.abbeysaddlery.com
164.39.19.135	PTR	no-reverse-dns.metronet-uk.com
164.39.19.135	A	gipcasc.com
164.39.19.135	A	www.gipcasc.com
164.39.22.189	A	mail.shedkm.co.uk
164.39.23.94	PTR	no-reverse-dns.metronet-uk.com