Robtex

Up: 83.136.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.136.232.0/23
Down right: 83.136.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.136.232.3	A+PTR	zmail.mtr-sviaz.ru
83.136.232.3	A	ns.mtrsvyaz.ru
83.136.232.3	A	ns2.noone.ru
83.136.232.4	PTR	vm.mtr-sviaz.ru
83.136.232.4	A	ns2.mtr-sviaz.ru
83.136.232.10	PTR	m9-main.mtr-sviaz.ru
83.136.232.28	PTR	zmail.mtr-sviaz.ru
83.136.232.30	A+PTR	vhosts.mtr-sviaz.ru
83.136.232.30	A	mtr-sviaz.ru
83.136.232.68	A	evi.su
83.136.232.121	A	uaset.com
83.136.232.121	A	cook.uaset.com
83.136.232.162	PTR	office.mtr-sviaz.ru
83.136.232.164	A	office.mtr-sviaz.ru
83.136.232.179	A	akvamir23.ru
83.136.233.25	A	ama.uz
83.136.233.46	PTR	go.bridgemediacorp.com
83.136.233.46	A	mail.bridge-digital.com
83.136.233.46	A	mail.rtgint.com
83.136.233.50	PTR	ns.orael.ru
83.136.233.100	A	ns3.rusptk.com
83.136.233.100	A	ns3.utsnab.com
83.136.233.100	A	ns3.ares-oil.com
83.136.233.114	PTR	msk11gw.bahetlemsk.ru
83.136.233.118	PTR	mail.noone.ru
83.136.233.118	A	baldinini.ru
83.136.233.118	A	xn--80acv9b.xn--p1ai
83.136.233.122	PTR	mail.europack.lv
83.136.233.146	A	ttc.technotile.ru
83.136.233.182	A+PTR	pochta.tvs-eng.ru
83.136.233.238	PTR	mail.mpmes.ru
83.136.233.242	PTR	mail.detmart.ru
83.136.234.54	PTR	mail.elkomunion.ru
83.136.234.130	A+PTR	gateway.kwarta.ru
83.136.234.158	PTR	flowers.noone.ru
83.136.234.158	A	office.noone.ru
83.136.234.226	PTR	mail.elkomunion.ru
83.136.234.250	PTR	mail.arconada.ru
83.136.234.250	A	mail.liniyatoka.ru
83.136.234.250	A	ns2.liniyatoka.ru
83.136.234.252	A	mail1.arconada.ru
83.136.235.2	A+PTR	mail2.mtr-sviaz.ru
83.136.235.2	A	ns3.mtr-sviaz.ru
83.136.235.2	A	ns3.mtrsvyaz.ru
83.136.235.3	PTR	voicelab.com.ru
83.136.235.3	A	bud26.ru
83.136.235.42	A+PTR	mail.studio2v.ru
83.136.235.42	A	slim.studio2v.ru
83.136.235.51	A	fanmash.ru
83.136.235.53	PTR	mos1.sdcecom.ru
83.136.235.60	PTR	mailserver.sdcecom.ru
83.136.235.61	A	mailgate.sdcecom.ru
83.136.235.74	A+PTR	static.noone.ru
83.136.235.74	A	ns.noone.ru
83.136.235.75	A	let-out.net
83.136.235.86	A+PTR	mail.primeclimate.ru
83.136.235.106	PTR	csdmail.consistent.ru
83.136.235.107	PTR	service.consistent.ru
83.136.235.122	PTR	riatec.ru
83.136.235.124	A+PTR	mail.riatec.ru
83.136.235.163	A	www.riatec.ru
83.136.235.163	A	riatec.ru
83.136.235.173	PTR	mail.fom.ru
83.136.235.181	PTR	nwmail.neo.ru
83.136.235.190	A+PTR	mail.sevcom.ru
83.136.235.190	A	www.sevcom.ru
83.136.235.194	A+PTR	mail.amesco.ru
83.136.235.194	A	www.amesco.ru
83.136.235.194	A	amesco.ru
83.136.235.227	A+PTR	enterprise2.unifest.ru
83.136.235.254	A+PTR	enterprise2.pososhok.ru