Robtex

Up: 217.170.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.170.112.0/22
Down right: 217.170.116.0/22
(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	A+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