Robtex

Up: 83.136.234.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.136.235.0/25
Down right: 83.136.235.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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	A+PTR	voicelab.com.ru
83.136.235.3	A	bud26.ru
83.136.235.3	A	vpbx.mtr-sviaz.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