Robtex

Up: 194.63.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.63.156.0/23
Down right: 194.63.158.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.63.156.1	PTR	host001.net156.nt55.ru
194.63.156.7	A+PTR	ns3.nt55.ru
194.63.156.7	A	ns.rnetomsk.net
194.63.156.7	A	ns.newtt.ru
194.63.156.10	PTR	nas.nt55.ru
194.63.156.10	A	bantex.dk
194.63.156.10	A	bantex.eu
194.63.156.12	PTR	host012.net156.nt55.ru
194.63.156.20	A	relay1-cph1.comendo.dk
194.63.156.21	A	relay2-cph1.comendo.dk
194.63.156.22	A	relay3-cph1.comendo.dk
194.63.156.23	A	relay4-cph1.comendo.dk
194.63.156.24	PTR	host024.net156.nt55.ru
194.63.156.24	A	relay5-cph1.comendo.dk
194.63.156.25	A	server1.pcfence.dk
194.63.156.30	PTR	host030.net156.nt55.ru
194.63.156.30	A	relay6-cph1.comendo.dk
194.63.156.31	A	relay7-cph1.comendo.dk
194.63.156.32	A	relay8-cph1.comendo.dk
194.63.156.33	A	ns.nt55.ru
194.63.156.33	A	ns2.newtt.ru
194.63.156.33	A	relay9-cph1.comendo.dk
194.63.156.34	PTR	service.nt55.ru
194.63.156.65	PTR	host065.net156.nt55.ru
194.63.156.65	A	ns1.newtt.ru
194.63.156.91	A	mx.newtt.ru
194.63.156.93	A+PTR	mx.rnetomsk.net
194.63.156.93	A+PTR	post.rnetomsk.net
194.63.156.93	A+PTR	mx.nt55.ru
194.63.156.130	PTR	host130.net156.nt55.ru
194.63.156.130	A	incoming-postscan.comendo.dk
194.63.156.131	PTR	host131.net156.nt55.ru
194.63.156.131	A	outgoing-postscan.comendo.dk
194.63.156.253	PTR	host253.net156.nt55.ru
194.63.156.254	A+PTR	client.nat.nt55.ru
194.63.157.24	PTR	host024.net157.nt55.ru
194.63.157.58	PTR	host058.net157.nt55.ru
194.63.157.58	A	mail.sonya-omsk.ru
194.63.157.58	A	dariyal.ru
194.63.157.62	PTR	smtech.ru
194.63.157.62	A	ns.etalon433.ru
194.63.157.62	A	etalon433.ru
194.63.157.82	PTR	host082.net157.nt55.ru
194.63.157.82	A	farmex.ru
194.63.157.82	A	www.farmex.ru
194.63.157.164	PTR	host164.net157.nt55.ru
194.63.157.164	A	omskfa.ru
194.63.157.242	A	urc-omsk.ru
194.63.158.2	A	mail.mysteryom.ru
194.63.158.2	A	h03.mysteryom.ru
194.63.158.22	PTR	host022.net158.nt55.ru
194.63.158.31	PTR	host031.net158.nt55.ru
194.63.158.31	A	www.super-aab.dk
194.63.158.34	PTR	mail.sibkolbasy.ru
194.63.158.34	A	mail.sibingroup.ru
194.63.158.34	A	mx1.spoli.ru
194.63.158.42	PTR	host042.net158.nt55.ru
194.63.158.44	A	mtiinfo.dk
194.63.158.50	PTR	host050.net158.nt55.ru
194.63.158.50	A	dmw.dk
194.63.158.50	A	online-auto.dk
194.63.158.54	PTR	host054.net158.nt55.ru
194.63.158.86	PTR	mx.bear.ru
194.63.158.110	PTR	host110.net158.nt55.ru
194.63.158.110	A	bredel.dk
194.63.158.120	A	community-sametime.enterfora.com
194.63.158.121	A	meeting-sametime.enterfora.com
194.63.158.122	A	av-sametime.enterfora.com
194.63.158.142	PTR	servermail1.sibrm.ru
194.63.158.142	A	mail.sibrm.ru
194.63.158.142	A	servermail.sibrm.ru
194.63.158.158	PTR	host158.net158.nt55.ru
194.63.158.158	A	ns2.gminc.org
194.63.158.250	PTR	host250.net158.nt55.ru
194.63.159.58	PTR	host058.net159.nt55.ru
194.63.159.94	A+PTR	sibcom-omsk.ru
194.63.159.94	A	ns.sibcom-omsk.ru
194.63.159.94	A	mail.sibcom-omsk.ru
194.63.159.106	A	ns.cortege.net
194.63.159.110	A	relay.cortege.net
194.63.159.134	A	mail.estaxi.org
194.63.159.138	A	oms.baltlease.ru
194.63.159.154	A+PTR	mbox.pcsib.ru
194.63.159.155	PTR	mbox.pcsib.ru
194.63.159.162	PTR	host162.net159.nt55.ru
194.63.159.162	A	mail.antares-omsk.ru
194.63.159.170	PTR	titan.bit-integro.ru
194.63.159.170	A	relay.bit-integro.ru
194.63.159.170	A	ns.bit-integro.ru
194.63.159.234	A	mail.verticalextreme.ru
194.63.159.238	A+PTR	ns1.tries55.ru
194.63.159.238	A	tries55.ru
194.63.159.238	A	map55.ru
194.63.159.242	PTR	host242.net159.nt55.ru
194.63.159.246	PTR	host246.net159.nt55.ru