Robtex

Up: 217.170.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.170.112.0/21
Down right: 217.170.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.170.112.94	A+PTR	mx.mailovator.ru
217.170.112.94	A	emailo.ru
217.170.112.94	A	mx.emailo.ru
217.170.112.206	PTR	polyplast-nm.ru
217.170.112.234	A	pioneer.aztpa.ru
217.170.112.251	A	mail.chipak71.ru
217.170.113.3	A	domenik.ru
217.170.114.162	A+PTR	gw1.tesc.ru
217.170.114.162	A	gw2.tesc.ru
217.170.114.162	A	mail2.it-esc.ru
217.170.115.26	PTR	tulasteel.ru
217.170.115.36	PTR	priopmes.ru
217.170.115.44	A	mail.uzlovaya.ru
217.170.115.51	A	devexpress.tula.net
217.170.115.51	A	mail.devexpress.tula.net
217.170.115.190	PTR	mx1.rospechat.tula.net
217.170.115.202	A+PTR	mx1.credos.ru
217.170.116.166	A+PTR	comp-siaint.uncnet.ru
217.170.116.166	A	mx1.tula.siaint.ru
217.170.116.166	A	tula.siaint.ru
217.170.116.190	A	server1.priopmes.ru
217.170.116.194	A	ns2.xn--c1adbanofkejfo5a.com
217.170.116.196	A+PTR	shatsk-server.region-telecom.net
217.170.116.206	PTR	pleh-server.region-telecom.net
217.170.116.206	A	xn--c1adbanofkejfo5a.com
217.170.116.206	A	www.region-telecom.net
217.170.117.109	A+PTR	mail.tulacsm.ru
217.170.117.122	A	ivc.uncnet.ru
217.170.117.138	A	express.tula.net
217.170.117.138	A	mx1.express.tula.net
217.170.117.238	A+PTR	mx0.kmz.tula.net
217.170.117.238	A	rhel5-oracle.kmz-tula.ru
217.170.117.238	A	mail2.kmz-tula.ru
217.170.118.26	PTR	msutula.ru
217.170.118.233	PTR	ext-gw.atlant.tula.net
217.170.118.235	A+PTR	atlant.tula.net
217.170.118.235	A	smtp.atlant-mebel.ru
217.170.118.235	A	mx.domenik.ru
217.170.119.14	A	normaltd.ru
217.170.119.62	A+PTR	mail.foodtula.ru
217.170.119.62	A	mail.alcotula.ru
217.170.119.178	A	mx2.prodeco.ru
217.170.119.178	A	relay2.azot.net
217.170.119.228	A+PTR	mail.tulaoblgaz.ru
217.170.123.146	A+PTR	old.vanady.com
217.170.123.162	A+PTR	mail.snabcom.ru
217.170.124.175	A	ns3.prominstall.com
217.170.124.175	A	prominstall.ru
217.170.124.175	A	ns1.prominstall.com
217.170.124.176	A	origin-service.info
217.170.124.197	A+PTR	link.soeztula.ru
217.170.124.197	A	xn--c1adanzof.xn--p1ai
217.170.124.197	A	xn--c1adkume8i.xn--p1ai
217.170.124.198	A	nevse.net
217.170.125.18	A+PTR	unc-gw.smartbear.ru
217.170.125.26	A+PTR	mx.350-350.ru
217.170.125.26	A	tte-tula.ru
217.170.125.26	A	ns.avto-image.ru
217.170.125.38	A+PTR	exchange.eton.com.ru
217.170.125.50	A+PTR	mx2.techart.ru
217.170.125.50	A	imap.techart.ru
217.170.125.50	A	mail.nikelca.ru
217.170.125.170	A	www.uzsk-centrgaz.ru
217.170.125.170	A	plastbau-3.ru
217.170.127.226	A+PTR	sunlink-gw.smartru.com
217.170.127.226	A	www.estatenetaustria.ru
217.170.127.226	A	ns1.smartru.com
217.170.127.228	PTR	mail.smartru.com