Robtex

Up: 91.90.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 91.90.32.0/21
Down right: 91.90.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.90.32.0	PTR	node-91-90-32-0.mkc-omsk.ru
91.90.32.2	PTR	em0.dmz.omsk.mts.mkc-omsk.ru
91.90.32.2	A	dmz.mkc-omsk.ru
91.90.32.51	PTR	51-32-90-91.omsk.mts.mkc-omsk.ru
91.90.32.209	PTR	209-32-90-91.omsk.mts.mkc-omsk.ru
91.90.32.240	PTR	dmz.omsk.mts.mkc-omsk.ru
91.90.32.240	A	dmz.mkc-omsk.ru
91.90.33.0	PTR	pppoe-91-90-33-0.bras-55-2-1.mkc-omsk.ru
91.90.33.0	A	0-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.22	A	22-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.125	A	exch1.poliom-omsk.ru
91.90.33.135	A	135-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.135	A	madlzz.ru
91.90.33.146	PTR	146-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.150	A	150-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.197	A	ns2.x-land.ru
91.90.33.197	A	xl.ru
91.90.33.219	A	219-33-90-91.omsk.mts.mkc-omsk.ru
91.90.33.228	A	chibyshev.ru
91.90.34.67	PTR	67-34-90-91.omsk.mts.mkc-omsk.ru
91.90.34.104	A	www.hozomsk.ru
91.90.34.104	A	hoz.center
91.90.34.104	A	hozomsk.ru
91.90.34.122	A	122-34-90-91.omsk.mts.mkc-omsk.ru
91.90.34.132	A	madlzz.ru
91.90.34.132	A	www.madlzz.ru
91.90.34.168	A	168-34-90-91.omsk.mts.mkc-omsk.ru
91.90.34.174	A	174-34-90-91.omsk.mts.mkc-omsk.ru
91.90.34.202	A	al-v.net
91.90.35.2	PTR	ooic.ru
91.90.35.2	A	v-omsk.ru
91.90.35.2	A	*.v-omsk.ru
91.90.35.30	A	ns.antikrizis.ru
91.90.35.30	A	mail.antikrizis.ru
91.90.35.62	A	digitech.pro
91.90.35.62	A	mx.digitech.pro
91.90.35.62	A	ns1.union-telecom.ru
91.90.35.102	A	mail.ehz-omsk.ru
91.90.35.224	PTR	224-32-90-91.omsk.mts.mkc-omsk.ru
91.90.35.226	A	ospo13srv.ocsm-sertif.ru
91.90.35.234	A	omsk.alventa.ru
91.90.35.242	PTR	node-91-90-35-242.static.mkc-omsk.ru
91.90.35.242	A	vip-omsk.ru
91.90.36.2	PTR	ns.mkc-omsk.ru
91.90.36.2	A	ns.chertkov.com
91.90.36.4	PTR	www.mkc-omsk.ru
91.90.36.4	A	www.lanomsk.ru
91.90.36.4	A	mkc-omsk.ru
91.90.36.122	A	122-36-90-91.omsk.mts.mkc-omsk.ru
91.90.36.195	A	node-91-90-36-195.omsk.multinex.ru
91.90.36.210	A+PTR	zodiac1.omsktele.com
91.90.36.224	A	nat-224-zsttk.omsktele.com
91.90.36.229	A	npointerro.ru
91.90.36.230	A	nat-230-zsttk.omsktele.com
91.90.36.231	A	nat-231-zsttk.omsktele.com
91.90.37.224	PTR	224-37-90-91.omsk.mts.ru
91.90.37.234	A	mail.sgsd.ru
91.90.38.0	PTR	node-91-90-38-0.static.mkc-omsk.ru
91.90.38.26	A	mail.mir-omsk.ru
91.90.38.48	PTR	node-91-90-38-48.static.mkc-omsk.ru
91.90.38.48	A	filins.ru
91.90.38.68	A	68-38-90-91.omsk.mts.mkc-omsk.ru
91.90.38.72	A	72-38-90-91.omsk.mts.mkc-omsk.ru
91.90.38.72	A	www.al-v.net
91.90.38.73	A	73-38-90-91.omsk.mts.mkc-omsk.ru
91.90.38.81	PTR	81-38-90-91.omsk.mts.mkc-omsk.ru
91.90.38.81	A	vsevomske.ru
91.90.38.81	A	autorevista.ru
91.90.38.106	A	ns.ecotherm.ru
91.90.38.134	A	mail3.melkom-omsk.ru
91.90.38.134	A	mail.melkom-omsk.ru
91.90.38.134	A	mail.bkko.ru
91.90.38.162	A+PTR	mx.akcia.org
91.90.38.162	A	general.akcia.org
91.90.38.170	A	mail.omskoblgaz.ru
91.90.38.170	A	office.omskoblgaz.ru
91.90.39.0	PTR	node-91-90-39-0.static.mkc-omsk.ru
91.90.39.6	A	ns.sibinc.ru
91.90.39.6	A	mx.sibinc.ru
91.90.39.6	A	ns1.sibinc.ru
91.90.39.50	A+PTR	mail.hlebodar.ru
91.90.39.50	A	hlebodar.ru
91.90.39.130	PTR	node-91-90-39-130.static.mkc-omsk.ru
91.90.39.130	A	mx.oemz.ru
91.90.39.138	A	sbrf.omsknet.ru
91.90.39.142	A	ns1.radiostroy.org
91.90.39.142	A	mail.radiostroy.org
91.90.39.202	A	mail2.ava-company.com
91.90.39.202	A	www.ava-company.com
91.90.39.203	A	mail.ava-company.com
91.90.39.226	PTR	mdoors.promex.ru
91.90.39.226	A	inomsk.org
91.90.39.250	A	petro-canada.company
91.90.39.250	A	avtodiscontomsk.ru
91.90.40.16	A	www.cashnet.no
91.90.42.46	A+PTR	s91904246.blix.com
91.90.42.178	A+PTR	s919042178.blix.com
91.90.42.178	A	ns11.solipsists.org
91.90.42.202	A+PTR	s919042202.blix.com
91.90.42.214	A+PTR	s919042214.blix.com
91.90.42.214	A	speed1.blix.com
91.90.43.55	A+PTR	s91904355.blix.com
91.90.43.82	A+PTR	s91904382.blix.com
91.90.43.83	A+PTR	s91904383.blix.com
91.90.43.85	A+PTR	s91904385.blix.com
91.90.43.107	A	search-centric.com
91.90.43.107	A	web1.kadme.com
91.90.43.107	A	arcticweb.com
91.90.43.194	A+PTR	s919043194.blix.com
91.90.43.194	A	onlinereward.me
91.90.43.196	A+PTR	s919043196.blix.com
91.90.43.196	A	travelsblogreward.com
91.90.44.13	A+PTR	s91904413.blix.com
91.90.44.21	A+PTR	s91904421.blix.com
91.90.44.22	A+PTR	s91904422.blix.com
91.90.44.23	A+PTR	s91904423.blix.com
91.90.44.25	A	s91904425.blix.com
91.90.44.60	A+PTR	s91904460.blix.com
91.90.44.61	A+PTR	s91904461.blix.com
91.90.44.67	A+PTR	web1.kartserver.no
91.90.44.67	A	www.micado.no
91.90.45.2	A+PTR	web01.opdal.net
91.90.45.2	A	campingglede.net
91.90.45.34	PTR	s91905534.blix.com
91.90.45.34	A	sip.pexip.com
91.90.45.151	A	jau.no
91.90.45.172	PTR	cache.google.com
91.90.45.172	A	r1.sn-capm-vnae.googlevideo.com
91.90.45.211	A+PTR	mx.arpa.no
91.90.46.125	A	ole-k.net