Robtex

Up: 217.19.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 217.19.64.0/20
Down right: 217.19.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.19.65.135	A+PTR	mail.laskaridis.gr
217.19.65.135	A	mail.laskaridis.com
217.19.65.136	A+PTR	autodiscover.laskaridis.gr
217.19.65.136	A+PTR	webmail.laskaridis.gr
217.19.68.12	A	booking.superfast.com
217.19.68.14	A	domestic-web.bluestarferries.com
217.19.69.36	A	hermes.dynacomtm.com
217.19.69.140	PTR	lotusmail.poshogilvy.com
217.19.69.140	PTR	lotusmail.asset-spo.gr
217.19.69.140	PTR	lotusmail.boldogilvy.gr
217.19.69.145	A	www.maxnet.gr
217.19.69.232	PTR	pirouter.avraship.com
217.19.69.242	A	relay2.nomikos.gr
217.19.69.250	A	owa.nomikos.gr
217.19.69.254	A	lp.nomikos.gr
217.19.72.228	A	mail.newsit.com.cy
217.19.72.228	A	mail.dogma.gr
217.19.72.228	A	mail.zappit.gr
217.19.72.231	PTR	mail.jip.gr
217.19.72.231	A	mail.newsit.com.cy
217.19.72.231	A	mail.dogma.gr
217.19.73.21	PTR	mail.adplawoffice.gr
217.19.73.21	PTR	mail.eastmed.gr
217.19.73.21	PTR	mail.hellenic-sun.gr
217.19.73.106	PTR	red2.euroxx.gr
217.19.73.107	PTR	mail2srv.euroxx.gr
217.19.73.130	PTR	www.jnlplus.com
217.19.73.130	PTR	www.jnlplus.eu
217.19.73.130	PTR	www.hph.gr
217.19.73.131	PTR	mail.jnl.gr
217.19.73.131	PTR	ns2.jnl.gr
217.19.73.131	PTR	ns2.multipublica.gr
217.19.73.150	PTR	www.jnl.gr
217.19.73.210	PTR	rotwang.bogs.gr
217.19.73.230	PTR	mail.adel.gr
217.19.73.230	PTR	mailspam.adel.gr
217.19.75.67	PTR	websrv.centrofin.int
217.19.75.67	A	www.centrofin.gr
217.19.75.71	A	mail2.centrofin.gr
217.19.75.126	PTR	aigaias.lavipharm.gr
217.19.75.126	PTR	mailsrv.lavipharm.gr
217.19.75.126	PTR	smtpsrv.lavipharm.gr
217.19.75.132	PTR	kronos.new-media.gr
217.19.75.132	PTR	mail.new-media.gr
217.19.75.132	PTR	www.new-media.gr
217.19.75.194	PTR	mail.livanis.gr
217.19.75.194	A	out.livanis.gr
217.19.75.250	PTR	mail.tradelink.gr
217.19.75.250	PTR	ns.tradelink.gr
217.19.75.250	PTR	trade-exch01.tradelink.gr
217.19.78.18	A+PTR	athens.mailmercury.com
217.19.78.66	A	ns1.ccc.tm
217.19.78.66	A	ns1.ccc.ma
217.19.78.66	A	ccc-fw1.ccc.gr
217.19.78.106	A	ns2.cctintl.com
217.19.78.106	A	ns2.ccc.tm
217.19.78.106	A	sbfcfusion.com
217.19.78.107	A	webforms.ccc.gr
217.19.78.194	A	mail.cereslng.com
217.19.78.209	A	mail.globalconnexions.info
217.19.78.209	A	autodiscover.cereslog.com
217.19.78.209	A	autodiscover.seaflight.com
217.19.80.197	PTR	mail.skairadio.gr
217.19.86.114	A	ns2.medcenterlab.com
217.19.86.114	A	mail2.optimashipbrokers.gr
217.19.86.115	A	mail5.optimashipbrokers.gr
217.19.86.131	PTR	eis.euroxx.gr
217.19.86.131	PTR	www.euroxx.gr
217.19.86.132	PTR	mail2srv.euroxx.gr
217.19.86.162	PTR	dias.infores.gr
217.19.86.162	PTR	mail.infores.gr
217.19.86.162	PTR	webmail.infores.gr
217.19.86.241	PTR	mail.pangeaship.com
217.19.86.241	PTR	spam.starmaritimecorp.com
217.19.86.241	PTR	spam.combine.gr
217.19.87.67	PTR	mail.olympic.gr
217.19.87.71	PTR	webmail.olympic.gr
217.19.87.74	PTR	www.ddb.gr
217.19.90.2	PTR	ns1.first.gr
217.19.90.4	PTR	ns.first.gr
217.19.91.99	PTR	217-19-91-99.omninet.gr
217.19.92.33	A	lithos-gw.kapatel.gr
217.19.92.34	A	agate.kapatel.gr
217.19.92.37	A	robby-gw.kapatel.gr
217.19.92.59	A	netpower.kapatel.gr
217.19.93.0	A+PTR	dynamicnet2.kapatel.gr
217.19.93.0	PTR	uunet-base1-kapatel.kapatel.gr