Robtex

Up: 89.105.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.105.159.0/25
Down right: 89.105.159.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.105.159.0	PTR	0.159.105.89.rightside.ru
89.105.159.56	PTR	56.159.105.89.rightside.ru
89.105.159.56	A	mx1.torg4.ru
89.105.159.62	A	mail.sibmet.com
89.105.159.67	PTR	67.159.105.89.rightside.ru
89.105.159.67	A	sibsilver.ru
89.105.159.67	A	xn--80ahdudqbfd.xn--p1ai
89.105.159.82	A	mail.porsche-krasnoyarsk.ru
89.105.159.110	PTR	mail.rightside.ru
89.105.159.110	PTR	ns2.rightside.ru
89.105.159.110	A	ns2.metares.ru
89.105.159.124	A	post4.polyusgold.ru
89.105.159.124	A	post1.polyusgold.com
89.105.159.141	PTR	141.159.105.89.rightside.ru
89.105.159.141	A	mail.myk1.ru
89.105.159.153	PTR	sm-city.ru
89.105.159.153	A	mail.sm-city.ru
89.105.159.153	A	mail.bereg-city.ru
89.105.159.155	A	ns1.maters.ru
89.105.159.155	A	ns.dk-v.ru
89.105.159.164	A	mx.vssk24.ru
89.105.159.164	A	mx.km124.ru
89.105.159.182	A+PTR	pl56.ru
89.105.159.182	A	*.pl56.ru
89.105.159.182	A	mail-server.pl56.ru
89.105.159.185	A	ns0.reklamir24.com
89.105.159.185	A	mx.neonproject.ru
89.105.159.194	A	gw-60year.spkt.ru
89.105.159.204	A+PTR	mail.kry.medcom-mp.ru
89.105.159.213	PTR	213.159.105.89.rightside.ru
89.105.159.213	A	mail.liceum9.ru
89.105.159.214	A+PTR	mail.tigr-krsk.ru
89.105.159.218	A	ns.alligator-krk.ru
89.105.159.218	A	mail.alligator-krk.ru
89.105.159.219	PTR	219.159.105.89.rightside.ru
89.105.159.221	A	ns.stivebarton.com
89.105.159.226	A+PTR	mmc.rightside.ru
89.105.159.226	A	mail.cdt2.ru
89.105.159.226	A	cdt2.ru
89.105.159.232	A	mail.kreep.ru
89.105.159.232	A	server3.kreep.ru
89.105.159.245	A+PTR	mail.krek24.ru
89.105.159.245	A	www.krek24.ru
89.105.159.245	A	mail.24sg.ru