Robtex

Up: 212.161.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 212.161.0.0/19
Down right: 212.161.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.161.2.100	PTR	mirkk.polkabrothers.com
212.161.2.101	PTR	porn.septum.org
212.161.5.98	A	mail.mentionit.uk
212.161.5.98	A	mail.pcgrow.uk
212.161.5.98	A	mail.realmoney247.uk
212.161.5.202	PTR	mail.boostetp.com
212.161.5.202	A	mx2.boostetp.com
212.161.5.202	A	mx2.etp-management.com
212.161.5.210	A	remote.curocomp.com
212.161.6.170	A	naf.org.uk
212.161.6.218	A	bristol.ttr-ltd.com
212.161.7.1	PTR	codered.citria.com
212.161.8.6	A	push-retail-01-090-01.cityindex.com
212.161.8.23	A	pusha200.cityindex.com
212.161.8.24	A	pusha201.cityindex.com
212.161.8.25	A	pusha202.cityindex.com
212.161.9.10	A	router_100601606.ia.colt.net
212.161.9.147	A	webmail.amlin.com
212.161.9.200	A	lloydspharmacy.co.uk
212.161.9.200	A	www.lloydspharmacy.com
212.161.10.21	A	mail.itemergency.com
212.161.10.21	A	www.cscwebmaster.com
212.161.10.26	A	mail.computerskillscentres.com
212.161.10.67	A	smtp.homebase.co.uk
212.161.10.249	A	computerskillscentres.com
212.161.12.165	A	mx01.blackcaviarit.com
212.161.13.92	A	mail.commsglobal.com
212.161.14.5	PTR	mail.beoffices.com
212.161.15.186	A	mailgate.toriglobal.com
212.161.15.234	A	remote.pearldivercap.com
212.161.17.254	A	mail.ibosassociation.com
212.161.18.118	A	remote.mactavishgroup.com
212.161.18.172	A	costadelsol.expert
212.161.18.174	A	portugalbuyingguide.com
212.161.18.178	A	mail.smslimited.com
212.161.18.190	PTR	jacaranda.co.uk
212.161.18.190	A	smtp.jacaranda.co.uk
212.161.18.242	A	office.commercialland.biz
212.161.18.242	A	remote.livinginvestmentsuk.com
212.161.19.174	A	owa.gbpetroleum.com
212.161.21.45	A	45-21-161-212.dsl.oncolt.com
212.161.23.2	A+PTR	2-23-161-212.dsl.oncolt.com
212.161.23.26	A	mxbackup.spsw-capital.com
212.161.24.1	PTR	f1-0.salt.kjc.lon.uk.colt.net
212.161.28.210	A	mx.elite-blinds.com
212.161.29.34	A	exchange.pandr.solutions
212.161.29.54	A	office.cyberhostpro.com
212.161.29.178	A	mail.fieldreadinessresource.com
212.161.29.178	A	mail.arturus.org
212.161.31.20	PTR	www.bfi.org.uk
212.161.31.33	A+PTR	stargate.bfi.org.uk
212.161.31.45	A	bfimail.bfi.org.uk
212.161.31.100	PTR	mail.1off.org
212.161.31.100	A	mail1.hostaustralia.net
212.161.31.100	A	hostaus.net
212.161.32.22	A	mail.boeingandwise.com
212.161.32.234	A	mail.markelintl.com
212.161.34.59	A	mail.thesharepeople.com
212.161.34.59	A	mail.sharepeopleipo.com
212.161.34.131	PTR	mail.finsbury.com
212.161.34.131	A	smtp.finsbury.com
212.161.34.161	A	owa.finsbury.com
212.161.34.161	A	mail.finsbury.com
212.161.35.40	A	mail2.yac.com
212.161.35.46	A	yac.ie
212.161.35.46	A	www.yac.ie
212.161.35.46	A	conferencing.ie
212.161.35.130	A	wan1c.provequity.co.uk
212.161.35.149	PTR	cwtmms05.cwt.com
212.161.35.247	A	joan.kewl.org
212.161.35.249	A	loonix.co.uk
212.161.37.2	PTR	ns.inetc.net
212.161.37.9	A	inetc11.inetc.net
212.161.37.13	A	www.aenovo.co.uk
212.161.37.13	A	paulmercer.com
212.161.37.13	A	aenovo.co.uk
212.161.37.66	A	scotlandguide.co.uk
212.161.37.70	A+PTR	inetc19.inetc.net
212.161.37.85	A	mail.oldfieldpartners.com
212.161.37.214	A	mail2.strakerfilms.com
212.161.38.50	A	thesharepeople.com
212.161.41.74	A	isics.org.uk
212.161.41.86	A	mail.theshed.com
212.161.41.94	A	bf3-50cal-clan.com
212.161.41.114	A	isics.org.uk
212.161.43.155	A	mralston.co.uk
212.161.43.155	A	cralston.co.uk
212.161.43.155	A	web-1.mralston.net
212.161.43.156	A	mralston.com
212.161.43.157	PTR	212.161.43.157.svr-c.sto.psuk.it
212.161.46.60	A	mail.westlifemagazine.com
212.161.46.194	A	mail.mfuk-itdept.com
212.161.48.129	PTR	fw.interface-newmedia.com
212.161.48.129	A	ns0.interface-newmedia.com
212.161.50.129	A	host01.stasco.com
212.161.50.130	A	mail01.stasco.com
212.161.50.131	A	mail02.stasco.com
212.161.50.207	A	mail1.matheson.co.uk
212.161.50.213	A	mail3.matheson.co.uk
212.161.54.61	A	ceeuropeltd.com
212.161.56.81	A	colt-pix.exchangesys.com
212.161.56.82	A	europa.exchangesys.com
212.161.56.84	A	mailgate.exchangesys.com
212.161.56.84	A	mail.exchangesys.com
212.161.56.146	A+PTR	mail1.angeltrains.co.uk
212.161.56.147	A	atl-aims.com
212.161.56.211	PTR	mail.lwks.com
212.161.59.60	A	mail.odm-ondemand.com
212.161.59.68	A	sncdr.exchangesys.com
212.161.59.74	A	webmail.exchangesys.com
212.161.59.171	A	pp-spreads.com
212.161.59.171	A	pp-casino.com
212.161.59.171	A	pp-results.com
212.161.62.20	A	ddh.de
212.161.62.32	A	dachdecker-regelwerk.de
212.161.62.34	A	seminarunterlagen.de
212.161.62.34	A	podbook.de