Robtex

Up: 217.75.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.75.8.0/22
Down right: 217.75.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.75.8.35	A	mail.beamish.ie
217.75.8.69	PTR	gwstrencom.redmeretechnology.com
217.75.8.70	A	els.acornbusinesscentre.ie
217.75.8.91	A	mail.abcampus.ie
217.75.8.141	PTR	app02.matchbook.com
217.75.8.141	A	_spf.solarwinds.com
217.75.8.142	PTR	util01.matchbook.com
217.75.8.198	A	mail.pharmeng.ie
217.75.8.201	A	mail.eden-ex.com
217.75.8.201	A	mail.edenex.net
217.75.8.201	A	mail.freefoam.ie
217.75.8.234	A	mail.quintas.ie
217.75.8.235	A	remote.qwm.ie
217.75.9.6	PTR	mail.bigfish.ie
217.75.9.66	PTR	mail.boyleshardware.ie
217.75.9.196	A	thehill.verling.net
217.75.9.240	A	mail.punchindustries.com
217.75.9.254	PTR	vlan15.pe1.ltl-isl.cork.strencom.net
217.75.10.172	A	mail1.murphyslaw.ie
217.75.10.185	A	mail.como.ie
217.75.10.215	A	mail.comit.ie
217.75.10.215	A	mail.comitmarketing.com
217.75.10.218	PTR	parsiuk.net
217.75.10.249	A	mail.chemspec.ie
217.75.12.64	PTR	p64.11.dsl.strencom.net
217.75.12.72	PTR	p72.11.dsl.strencom.net
217.75.13.146	A	mxin.brcmcmahon.ie
217.75.13.210	PTR	mail.pfh.ie
217.75.13.213	PTR	timesheet.pfh.ie
217.75.13.235	A	ns1.fergalmoran.com
217.75.13.238	A	boomerang.wasptech.com
217.75.13.238	A	warp.wasptech.com
217.75.13.238	A	sync.wasptech.com
217.75.13.251	PTR	mail.tradesignals.com
217.75.14.5	A	snowwhite.strencom.net
217.75.14.138	A	bas1.lcs.strencom.net
217.75.15.6	A+PTR	spamfilter1.southwestern.ie
217.75.15.6	A	mail.sws.ie
217.75.15.8	A+PTR	mac.fix-it.ie
217.75.15.8	A	paralympicsireland.ie
217.75.15.8	A	mail.fix-it.ie
217.75.15.16	PTR	p16.15.acomguy.net
217.75.15.16	A	www.covered-it.com
217.75.15.19	A+PTR	online.bishopstowncu.ie
217.75.15.19	A	bishopstowncu.com
217.75.15.21	PTR	spamfilter2.southwestern.ie
217.75.15.21	A	mail2.sws.ie
217.75.15.31	A	vnoc.verling.net
217.75.15.66	PTR	e0.cr2.cork.strencom.net
217.75.15.210	A+PTR	vr2.tsg.ie
217.75.15.210	A	managedcloud.ie
217.75.15.211	PTR	vr3.tsg.ie
217.75.15.211	A	execfoto.ie
217.75.15.211	A	kildaretimes.ie