Robtex

Up: 91.143.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 91.143.48.0/22
Down right: 91.143.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.143.48.4	A+PTR	lk.sib.comstar.ru
91.143.48.42	A+PTR	ns2.tngs.ru
91.143.48.45	A+PTR	speedtest.surgut.mts.ru
91.143.49.23	A	kushnikova.ru
91.143.49.50	PTR	kerama-s.ru
91.143.49.50	A	mail.kerama-s.ru
91.143.49.74	PTR	mail.sngi.ru
91.143.49.113	A	sqmarket.ru
91.143.49.113	A	niks-realty.ru
91.143.49.126	A	mail.pr0sto.com
91.143.49.146	A+PTR	mail.rosprodukt.com
91.143.49.146	A	rosprodukt.com
91.143.49.174	PTR	sineft.ru
91.143.49.174	A	internet.sineft.ru
91.143.49.174	A	www.sineft.ru
91.143.49.188	A	sitcontrol.ru
91.143.49.202	A	mail.tc-rost.ru
91.143.49.202	A	tc-rost.ru
91.143.50.4	PTR	surgutnet.ru
91.143.50.82	A	fileship.ru
91.143.50.82	A	www.trendy-book.ru
91.143.50.82	A	www.fandomhouse.ru
91.143.50.107	A	mkln.net
91.143.50.145	A	k.zlaya.ru
91.143.50.147	A	mx.surgut-elektra.ru
91.143.50.186	A	legreg.ru
91.143.50.232	A	mx.hmao.ru
91.143.52.22	A	ngk.tpg.ru
91.143.52.29	PTR	local.nptus.com
91.143.52.52	A	www.nptus.com
91.143.52.52	A	nefteygansk.com
91.143.52.194	A+PTR	nf.spesystems.ru
91.143.52.194	A	mail.nf.spesystems.ru
91.143.52.250	PTR	mail.nf.sgkburenie.com
91.143.52.250	A	nf.sgkburenie.ru
91.143.52.250	A	mail.sibgeo.com
91.143.53.8	A	www.farmyugansk.ru
91.143.53.8	A	farmyugansk.ru
91.143.53.18	A	mail.nepronas.ru
91.143.53.23	PTR	pth.tpg.ru
91.143.53.39	PTR	ngk.tpg.ru
91.143.53.98	PTR	mail.nf-bvt.ru
91.143.53.98	A	nf-bvt.ru
91.143.53.114	PTR	avangard-b.ru
91.143.53.190	PTR	mail.nf-bvt.ru
91.143.53.196	A	nf.ids-corp.ru
91.143.53.219	A+PTR	lotusnef.nf.add.ru
91.143.53.219	A	nf.add.ru
91.143.54.27	PTR	nues.te.ru
91.143.54.58	A	avangard-b.ru
91.143.55.25	A+PTR	mail.rsmnef.ru
91.143.55.65	A	mail.cybermaniac.ru
91.143.55.88	A	unipi.info
91.143.55.88	A	mail.unipi.info
91.143.55.90	A	isa.unipi.info