Robtex

Up: 89.23.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 89.23.32.0/20
Down right: 89.23.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.23.32.3	PTR	host-89-23-32-3.ucanet.ru
89.23.33.1	PTR	host-89-23-33-1.ucanet.ru
89.23.33.3	PTR	host-89-23-33-3.ucanet.ru
89.23.33.66	PTR	host-89-23-33-66.ucanet.ru
89.23.33.67	PTR	host-89-23-33-67.ucanet.ru
89.23.33.97	PTR	host-89-23-33-97.ucanet.ru
89.23.33.99	PTR	host-89-23-33-99.ucanet.ru
89.23.33.100	A	runetradio.ru
89.23.33.128	PTR	host-89-23-33-128.ucanet.ru
89.23.33.160	PTR	host-89-23-33-160.ucanet.ru
89.23.33.161	PTR	host-89-23-33-161.ucanet.ru
89.23.33.195	A+PTR	apple-geek.net
89.23.34.70	A	office.innoter.com
89.23.34.130	PTR	host-89-23-34-130.ucanet.ru
89.23.34.130	A	www.l-f-a.ru
89.23.34.130	A	pogod.in
89.23.34.166	A	yazon.me
89.23.35.2	PTR	host-89-23-35-2.ucanet.ru
89.23.35.5	A	vlasovheavyindustries.com
89.23.35.5	A	soskolkovo.ru
89.23.35.9	A	rsbor-maps.ru
89.23.35.9	A	www.rsbor-maps.ru
89.23.35.66	PTR	host-89-23-35-66.ucanet.ru
89.23.36.68	A	ipropeller.ru
89.23.36.68	A	mail.ipropeller.ru
89.23.36.104	A	mx2.fly2joy.ru
89.23.36.104	A	post.fly2joy.ru
89.23.36.104	A	jefoy.ru
89.23.36.131	PTR	host-89-23-36-131.ucanet.ru
89.23.36.131	A	mesmirnov.msk.ru
89.23.36.136	A	mail.cgserv.ru
89.23.36.136	A	cgserv.ru
89.23.36.145	A	remote.cgserv.ru
89.23.36.162	PTR	host-89-23-36-162.ucanet.ru
89.23.36.162	A	gogothic.ru
89.23.36.162	A	bjdqueen.ru
89.23.36.232	A	mx.vecat.ru
89.23.36.236	A	quattrofreni.com
89.23.36.236	A	markon.ru
89.23.36.236	A	am4ac.com
89.23.37.3	PTR	host-89-23-37-3.ucanet.ru
89.23.37.165	A	nsh1.nepomn.ru
89.23.37.199	A	a1-personal.com
89.23.38.2	PTR	host-89-23-38-2.ucanet.ru
89.23.38.2	A	www.prodirector.ru
89.23.38.2	A	juliasinden.com
89.23.38.134	A	zftp.ru
89.23.42.3	PTR	host-89-23-42-3.ucanet.ru
89.23.42.35	PTR	host-89-23-42-35.ucanet.ru
89.23.42.65	PTR	host-89-23-42-65.ucanet.ru
89.23.42.129	PTR	host-89-23-42-129.ucanet.ru
89.23.42.131	PTR	host-89-23-42-131.ucanet.ru
89.23.42.162	PTR	host-89-23-42-162.ucanet.ru
89.23.42.226	PTR	host-89-23-42-226.ucanet.ru
89.23.46.1	PTR	host-89-23-46-1.ucanet.ru
89.23.46.67	PTR	host-89-23-46-67.ucanet.ru
89.23.46.96	PTR	host-89-23-46-96.ucanet.ru
89.23.46.129	PTR	host-89-23-46-129.ucanet.ru
89.23.46.160	PTR	host-89-23-46-160.ucanet.ru
89.23.46.161	PTR	host-89-23-46-161.ucanet.ru
89.23.46.193	PTR	host-89-23-46-193.ucanet.ru
89.23.46.225	PTR	host-89-23-46-225.ucanet.ru
89.23.46.226	PTR	host-89-23-46-226.ucanet.ru
89.23.48.131	PTR	host-89-23-48-131.ucanet.ru
89.23.48.161	PTR	host-89-23-48-161.ucanet.ru
89.23.48.193	PTR	host-89-23-48-193.ucanet.ru
89.23.48.227	PTR	host-89-23-48-227.ucanet.ru
89.23.49.1	PTR	host-89-23-49-1.ucanet.ru
89.23.49.32	PTR	host-89-23-49-32.ucanet.ru
89.23.49.33	PTR	host-89-23-49-33.ucanet.ru
89.23.49.64	PTR	host-89-23-49-64.ucanet.ru
89.23.49.66	PTR	host-89-23-49-66.ucanet.ru
89.23.49.129	PTR	host-89-23-49-129.ucanet.ru
89.23.49.163	PTR	host-89-23-49-163.ucanet.ru
89.23.52.10	PTR	host-89-23-52-10.ucanet.ru
89.23.52.34	PTR	host-89-23-52-34.ucanet.ru
89.23.52.64	PTR	host-89-23-52-64.ucanet.ru
89.23.52.130	PTR	host-89-23-52-130.ucanet.ru
89.23.52.162	PTR	host-89-23-52-162.ucanet.ru
89.23.54.2	PTR	host-89-23-54-2.ucanet.ru
89.23.54.3	PTR	host-89-23-54-3.ucanet.ru
89.23.54.32	PTR	host-89-23-54-32.ucanet.ru
89.23.54.65	PTR	host-89-23-54-65.ucanet.ru
89.23.54.225	PTR	host-89-23-54-225.ucanet.ru
89.23.59.3	PTR	host-89-23-59-3.ucanet.ru
89.23.59.34	PTR	host-89-23-59-34.ucanet.ru
89.23.59.67	PTR	host-89-23-59-67.ucanet.ru
89.23.59.128	PTR	host-89-23-59-128.ucanet.ru
89.23.59.192	PTR	host-89-23-59-192.ucanet.ru
89.23.59.226	PTR	host-89-23-59-226.ucanet.ru
89.23.60.67	PTR	host-89-23-60-67.ucanet.ru
89.23.60.97	PTR	host-89-23-60-97.ucanet.ru
89.23.60.129	PTR	host-89-23-60-129.ucanet.ru
89.23.60.131	PTR	host-89-23-60-131.ucanet.ru
89.23.60.161	PTR	host-89-23-60-161.ucanet.ru
89.23.60.162	PTR	host-89-23-60-162.ucanet.ru
89.23.60.163	PTR	host-89-23-60-163.ucanet.ru
89.23.60.192	PTR	host-89-23-60-192.ucanet.ru
89.23.60.194	PTR	host-89-23-60-194.ucanet.ru
89.23.60.225	PTR	host-89-23-60-225.ucanet.ru
89.23.62.98	PTR	client-89.23.62.98.av.ucanet.ru
89.23.62.128	PTR	client-89.23.62.128.av.ucanet.ru
89.23.62.161	PTR	client-89.23.62.161.av.ucanet.ru
89.23.62.163	PTR	client-89.23.62.163.av.ucanet.ru
89.23.63.65	A+PTR	anyvpn.ru
89.23.63.65	A	ns.anyvpn.ru
89.23.63.67	PTR	server.av.ucanet.ru
89.23.63.67	A	vpn4you.ru
89.23.63.250	A	ns2.ucahost.ru