Robtex

Up: 80.66.68.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 80.66.68.0/24
Down right: 80.66.69.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.66.68.14	PTR	artex.n-sk.net
80.66.68.44	PTR	atlasold44.nov.net
80.66.68.44	A	nsk.businessbox.ru
80.66.68.44	A	www.riss-telecom.ru
80.66.68.56	PTR	kana.ru
80.66.68.57	A	mail.rosita.ru
80.66.68.61	A	irc.riss-telecom.ru
80.66.68.62	PTR	travelerscoffee.ru
80.66.68.89	PTR	ns3.riss-telecom.ru
80.66.68.89	A	mx3.riss-telecom.ru
80.66.68.104	A+PTR	mksib.riss-telecom.ru
80.66.68.130	A+PTR	mail.rosinkasibiri.ru
80.66.68.130	A	rosinka-sibiri.ru
80.66.68.130	A	mail.rosinka-sibiri.ru
80.66.68.186	A	lesosechnaya14.riss-telecom.ru
80.66.69.2	A+PTR	sib.r-style.ru
80.66.69.2	A+PTR	mx.sib.r-style.ru
80.66.69.2	A	vera.sib.r-style.ru
80.66.69.20	A	ws20.sib.r-style.ru
80.66.69.25	A	ws25.sib.r-style.ru
80.66.69.27	A	ws27.sib.r-style.ru
80.66.69.28	A	ws28.sib.r-style.ru
80.66.69.29	A	ws29.sib.r-style.ru
80.66.69.49	A+PTR	w49.hitsoft-it.com
80.66.69.49	A	ns.hitsoft-it.com
80.66.69.49	A	ns2.keeshond.ws
80.66.69.50	A+PTR	w50.hitsoft-it.com
80.66.69.50	A	mail.hitsoft-it.com
80.66.69.51	PTR	project.hitsoft-it.com
80.66.69.51	A	hitsoft-it.com
80.66.69.52	A+PTR	ada.hitsoft-it.com
80.66.69.52	A	w52.hitsoft-it.com
80.66.69.55	A+PTR	w55.hitsoft-it.com
80.66.69.55	A	prj.hitsoft-it.com
80.66.69.55	A	atlassian.hitsoft-it.com
80.66.69.56	A	w56.hitsoft-it.com
80.66.69.56	A	otcsupdates.hitsoft-it.com
80.66.69.58	A+PTR	w58.hitsoft-it.com
80.66.69.58	A	os.hitsoft-it.com
80.66.69.58	A	opensource.hitsoft-it.com
80.66.69.61	A	w61.hitsoft-it.com
80.66.69.61	A	firefly.hitsoft-it.com
80.66.69.130	A+PTR	mx.hittelecom.ru
80.66.69.130	A	relay.hittelecom.ru
80.66.69.130	A	ns.hittelecom.ru
80.66.69.134	A	galloper.hittelecom.ru
80.66.69.135	A	orion.hittelecom.ru
80.66.69.135	A	www.hittelecom.ru
80.66.69.135	A	hittelecom.ru
80.66.69.136	A	h-136.hittelecom.ru
80.66.69.138	A	eplus.hittelecom.ru
80.66.69.139	A	taurus.hittelecom.ru
80.66.69.148	A	h-148.hittelecom.ru
80.66.69.149	A	h-149.hittelecom.ru
80.66.69.151	A	h-151.hittelecom.ru
80.66.69.152	A	h-152.hittelecom.ru
80.66.69.153	A	h-153.hittelecom.ru
80.66.69.154	A	h-154.hittelecom.ru
80.66.69.155	A	h-155.hittelecom.ru
80.66.69.156	A	h-156.hittelecom.ru
80.66.69.157	A	h-157.hittelecom.ru
80.66.69.158	A	h-158.hittelecom.ru
80.66.69.254	A	nsk.inmarko.ru
80.66.69.254	A	rko.ru