Robtex

Up: 91.143.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 91.143.32.0/22
Down right: 91.143.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.143.32.50	PTR	ip-50.cifra1.ru
91.143.32.50	A	mail.dkveles.ru
91.143.32.52	A	exchange.acorp.su
91.143.32.53	A+PTR	exchange.dkveles.ru
91.143.32.69	A	m.electroset.ru
91.143.32.69	A	exch.electroset.ru
91.143.32.149	A	mail.cc-rusich.ru
91.143.32.151	A	mx01.zenit-kmz.ru
91.143.32.151	A	ns.zenit-kmz.ru
91.143.32.151	A	ns.chiribita.me
91.143.32.164	PTR	ip-164.cifra1.ru
91.143.32.212	A+PTR	mx1.oknarosta.ru
91.143.32.212	A	mx1.vacuflo.ru
91.143.32.212	A	mx1.pylesosoff.ru
91.143.34.3	PTR	mail.kmkorma.ru
91.143.34.42	A+PTR	mail.kmkorma.ru
91.143.35.2	PTR	cp.rosweb.biz
91.143.35.2	A	rosweb.biz
91.143.35.2	A	www.rosweb.ru
91.143.35.98	A	mail.art-tel.su
91.143.35.99	PTR	mx.fc-moron.ru
91.143.35.99	A	mail.fc-moron.ru
91.143.35.117	PTR	mx.iskratel.ru
91.143.35.130	PTR	mail.renova-org.ru
91.143.35.131	PTR	mail1.renova-org.ru
91.143.35.132	PTR	ip-132.cifra1.ru
91.143.35.165	A+PTR	mail.wciom.com
91.143.35.165	A	mail.wciom.ru
91.143.35.170	A	social-analytics.ru
91.143.35.170	A	sa.ilook.ru
91.143.35.234	A	mail1.wciom.com
91.143.36.10	A	mail.rosweb.ru
91.143.36.11	A+PTR	mx.rosweb.ru
91.143.36.50	A+PTR	ns2.rosweb.biz
91.143.36.50	A+PTR	ns2.rosweb.ru
91.143.36.108	PTR	olimp-moscow.ru
91.143.36.206	A	mail.uk-s.ru
91.143.37.5	A	ns3.rosweb.ru
91.143.37.10	PTR	ip-10.cifra1.ru
91.143.37.52	PTR	osrf.org
91.143.37.83	PTR	ironport.mzb.ru
91.143.38.10	A+PTR	mmts9.rosweb.net
91.143.38.14	PTR	voentelecom.ru
91.143.38.134	A+PTR	50-01-0-00-r2-38-134.rosweb.net
91.143.39.42	PTR	ip-42.cifra1.ru
91.143.39.42	A	www.swell.su
91.143.39.205	A	ak47.rosweb.net
91.143.39.214	A+PTR	dallas.rosweb.net
91.143.39.220	A	ole.rosweb.net
91.143.39.251	A+PTR	bivis.rosweb.net
91.143.39.253	A	rosweb.net