Robtex

Up: 217.180.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 217.180.0.0/19
Down right: 217.180.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.180.0.13	PTR	www.ttsadmin.rm.com
217.180.0.17	A+PTR	webmail01.rmplc.net
217.180.0.18	A+PTR	webmail02.rmplc.net
217.180.0.20	A	test.rmi-lite.com
217.180.0.20	A	solutionslibrary.rmplc.net
217.180.4.32	A+PTR	www.klpmicro.net
217.180.4.35	A+PTR	content.vle.klpmicro.net
217.180.4.37	A	avatars.klpmicro.net
217.180.4.38	A	tools.media.klpmicro.net
217.180.4.99	A+PTR	octopus.lab.ab2.ifl.net
217.180.15.74	PTR	mailserver.theabbeyschool-suffolk.org.uk
217.180.16.76	PTR	www.robertsutton.staffs.sch.uk
217.180.16.114	A	kidsgrovescouts.com
217.180.16.136	PTR	athome.moorlands.staffs.sch.uk
217.180.16.151	PTR	intranet.maryhill-high.staffs.sch.uk
217.180.16.207	PTR	webserver.codsall-high.staffs.sch.uk
217.180.18.2	PTR	ejitumail.staffs-ed.net
217.180.18.121	PTR	folders.fountains-primary.staffs.sch.uk
217.180.24.21	A	xyz.staffordshire.gov.uk
217.180.24.68	PTR	mailserver.connexionsstaffordshire.co.uk
217.180.24.68	A+PTR	mailserver.connexionsstaffordshire.org.uk
217.180.24.68	PTR	mailserver.connexionsstaffs.org.uk
217.180.24.69	PTR	www.cxstaffs.co.uk
217.180.24.69	PTR	www.staffscareers.co.uk
217.180.24.69	A+PTR	www.connexionsstaffordshire.org.uk
217.180.24.132	A+PTR	mail1.sstaffs.gov.uk
217.180.28.47	A	mail.blundells.org
217.180.28.72	A	swcw-learningframework.net
217.180.28.85	A	www.budmouth.dorset.sch.uk
217.180.28.146	A	denemagna.gloucs.sch.uk
217.180.28.160	A	madadam.co.uk
217.180.28.175	A	www.kingsdownschool.co.uk
217.180.28.185	A	mail.swcw-learningframework.net
217.180.28.208	A	barton-primary.torbay.sch.uk
217.180.28.233	PTR	mail.cleeveschool.net
217.180.29.18	A+PTR	vent.gastrells.gloucs.sch.uk
217.180.29.23	A	valeofberkeley.org.uk
217.180.29.30	A	portal.sirjohnhunt.plymouth.sch.uk
217.180.29.41	A+PTR	mail.st-petershigh.gloucs.sch.uk
217.180.29.176	A	st-cuthbertmayne.torbay.sch.uk
217.180.29.250	PTR	www.nortonhillschool.com
217.180.29.251	PTR	intranet.nortonhillschool.com
217.180.31.9	A	ra.waingels.wokingham.sch.uk
217.180.31.30	PTR	server1.sandownhighschool.com
217.180.33.109	A+PTR	mail.shelfieldsportscollege.co.uk
217.180.33.109	A+PTR	webmail.shelfieldsportscollege.co.uk
217.180.35.4	A+PTR	ens224.nosslfilter.proxy04.tc1.hfl.ifl.net