Robtex

Up: 81.9.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.9.96.0/21
Down right: 81.9.104.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.9.96.34	A	onair.eltel.net
81.9.96.110	A+PTR	lemmus.eltel.net
81.9.96.146	PTR	eltel-nf.eltel.net
81.9.96.146	A+PTR	pluto.eltel.net
81.9.96.234	PTR	mail.zonazero.ru
81.9.97.18	A+PTR	howler.eltel.net
81.9.97.30	A+PTR	nineveh.eltel.net
81.9.97.30	PTR	call.saf-14.ru
81.9.97.30	PTR	demos.saf-14.ru
81.9.97.41	PTR	mailgate2.starliner.ru
81.9.97.41	A	mail.starliner.ru
81.9.97.42	A+PTR	mail.corporate-event.ru
81.9.97.42	A	xn----7sbec3ak2aaifecrk.xn--p1ai
81.9.97.43	A	mail.starliner.ru
81.9.97.45	A	nicko.spb.ru
81.9.97.50	A	mail.fallen-earth.ru
81.9.97.59	A+PTR	mailgate2.starliner.ru
81.9.97.59	A	mailgate2.arland.pro
81.9.97.130	PTR	r1.silvernet.ru
81.9.97.146	A+PTR	exch.ask-spb.com
81.9.97.162	PTR	mail.ispoptics.ru
81.9.97.162	A	ispoptics.ru
81.9.97.182	A+PTR	mx1.vodokanaleng.ru
81.9.100.2	A	tue.eltel.net
81.9.100.27	A	cccc.eq.eltel.net
81.9.101.61	A	bras07.eq.eltel.net
81.9.101.61	A	bras7.eq.eltel.net
81.9.101.65	A+PTR	dl40.media-portal.ru
81.9.101.69	A	dl30.media-portal.ru
81.9.101.69	A	ftp.media-portal.ru
81.9.101.72	A	relay.eltel.net
81.9.101.81	A	dl70.media-portal.ru
81.9.104.98	PTR	mail.csr-nw.ru
81.9.104.218	PTR	gate.li-terra.ru
81.9.104.219	PTR	mail.li-terra.ru
81.9.104.250	A+PTR	rt91.highlink.ru
81.9.105.50	PTR	mircat.net
81.9.105.50	A	ns.victorynail.com
81.9.105.50	A	ns.mirba.org
81.9.106.34	A+PTR	gate6.rrt.ru
81.9.106.34	A	ns2.rrt.ru
81.9.107.2	A+PTR	vist.spb.ru
81.9.107.2	A	vist-spb.ru
81.9.107.3	A	mail.service4ski.ru
81.9.107.3	A	gwas.ru
81.9.107.5	PTR	mv.vist.spb.ru
81.9.107.135	PTR	gate.furnituragermanii.ru
81.9.107.226	A	mail.webdo.ru
81.9.108.2	A+PTR	mail.med122.com
81.9.108.11	A+PTR	mail.med122.ru
81.9.108.12	A	mail.m122.ru
81.9.108.13	A	mail.kb122.ru
81.9.108.32	A	dh2.spbhost.com
81.9.110.226	A+PTR	gate7.rrt.ru
81.9.110.226	A	mx20.rrt.ru