Robtex

Up: 77.221.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.221.158.0/25
Down right: 77.221.158.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.221.158.2	PTR	77.221.158.2.addr.datapoint.ru
77.221.158.2	A	www.stroyotrad.ru
77.221.158.2	A	stroyotrad.ru
77.221.158.3	PTR	77.221.158.3.addr.datapoint.ru
77.221.158.3	A	moe-zhilye.ru
77.221.158.3	A	ns1.politeplo.ru
77.221.158.4	A	ns2.politeplo.ru
77.221.158.4	A	vodoprovod2.ru
77.221.158.4	A	ns1.vodoprovod2.ru
77.221.158.5	A	ns1.ustroimremont.ru
77.221.158.5	A	ns2.vodoprovod2.ru
77.221.158.6	A	housingboomm.ru
77.221.158.6	A	vseokamine.ru
77.221.158.6	A	ns2.ustroimremont.ru
77.221.158.10	PTR	77.221.158.10.addr.datapoint.ru
77.221.158.26	PTR	77.221.158.26.addr.datapoint.ru
77.221.158.27	PTR	77.221.158.27.addr.datapoint.ru
77.221.158.58	PTR	deen.ru
77.221.158.59	PTR	deen.ru
77.221.158.60	PTR	deen.ru
77.221.158.61	PTR	deen.ru
77.221.158.62	PTR	deen.ru
77.221.158.66	PTR	77.221.158.66.addr.datapoint.ru
77.221.158.66	A	love.infon.ru
77.221.158.66	A	mai.dawap.ru
77.221.158.67	PTR	77.221.158.67.addr.datapoint.ru
77.221.158.67	A	ns3.dawap.ru
77.221.158.75	PTR	www.internet-piter.ru
77.221.158.75	A	tvcccp.ru
77.221.158.75	A	xn--e1aaajc1abrgfoec.xn--p1ai
77.221.158.140	PTR	77.221.158.140.addr.datapoint.ru
77.221.158.140	A	new.tks.ru
77.221.158.140	A	vedcontact.ru
77.221.158.141	PTR	77.221.158.141.addr.datapoint.ru
77.221.158.141	A	static.tks.ru
77.221.158.141	A	www.tks.ru
77.221.158.154	PTR	77.221.158.154.addr.datapoint.ru
77.221.158.154	A	*.ugolochek.ru
77.221.158.154	A	c13-b2b-blog-lb.professordrjosephchikelueobi.com
77.221.158.170	A	online-gamer.club
77.221.158.178	PTR	smtp.meatinfo.ru
77.221.158.178	A	a505.ru
77.221.158.178	A	the-mus.ru
77.221.158.179	A	smtp.fishretail.ru
77.221.158.180	A	smtp.alcotrend.ru
77.221.158.181	A	smtp.egoism.ru
77.221.158.186	PTR	77.221.158.186.addr.datapoint.ru
77.221.158.194	PTR	77.221.158.194.addr.datapoint.ru
77.221.158.218	A+PTR	mx.semynar.ru
77.221.158.219	A	mx.semynar.su
77.221.158.219	A	gsm-repair.eu
77.221.158.220	A	mx.cemynar.ru
77.221.158.220	A	cemynar.ru
77.221.158.221	A	mx.cemynar.su
77.221.158.221	A	cemynar.su
77.221.158.222	PTR	77.221.158.222.addr.datapoint.ru
77.221.158.222	A	mx.russnovat.ru
77.221.158.222	A	russnovat.ru
77.221.158.226	A	mx.rosnovat.ru
77.221.158.227	PTR	77.221.158.227.addr.datapoint.ru
77.221.158.227	A	mx.semnovat.ru
77.221.158.227	A	semnovat.ru
77.221.158.228	PTR	77.221.158.228.addr.datapoint.ru
77.221.158.228	A	mx.instnovat.ru
77.221.158.228	A	instnovat.ru
77.221.158.229	A+PTR	mx.mosnovat.ru
77.221.158.229	A	mosnovat.ru
77.221.158.230	PTR	77.221.158.230.addr.datapoint.ru
77.221.158.230	A	mx.msknovat.ru
77.221.158.230	A	msknovat.ru