Robtex

Up: 77.223.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 77.223.64.0/19
Down right: 77.223.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.223.64.0	PTR	0.64.223.77.olympus.ru
77.223.64.64	PTR	64.64.223.77.akado-ural.ru
77.223.64.67	PTR	67.64.223.77.akado-ural.ru
77.223.64.88	A	voin-krovi.ru
77.223.64.192	PTR	192.64.223.77.akado-ural.ru
77.223.65.81	PTR	81.65.223.77.akado-ural.ru
77.223.66.149	A+PTR	dob.akado-ural.ru
77.223.66.231	PTR	231.66.223.77.akado-ural.ru
77.223.67.171	PTR	171.67.223.77.akado-ural.ru
77.223.67.218	PTR	218.67.223.77.akado-ural.ru
77.223.69.1	PTR	1.69.223.77.akado-ural.ru
77.223.69.3	PTR	3.69.223.77.akado-ural.ru
77.223.69.38	A	f108662.akado-ural.ru
77.223.69.64	PTR	64.69.223.77.akado-ural.ru
77.223.69.84	A	segap.akado-ural.ru
77.223.69.130	PTR	130.69.223.77.akado-ural.ru
77.223.69.131	PTR	131.69.223.77.akado-ural.ru
77.223.69.194	PTR	194.69.223.77.akado-ural.ru
77.223.70.162	PTR	162.70.223.77.akado-ural.ru
77.223.70.200	PTR	200.70.223.77.akado-ural.ru
77.223.72.206	A	mail.ingan.olympus.ru
77.223.72.206	A	ingan.olympus.ru
77.223.72.206	A	ingan.akado-ural.ru
77.223.73.88	PTR	88.73.223.77.akado-ural.ru
77.223.73.250	A	simind.ru
77.223.74.4	PTR	4.74.223.77.akado-ural.ru
77.223.74.65	PTR	65.74.223.77.akado-ural.ru
77.223.74.131	PTR	131.74.223.77.akado-ural.ru
77.223.74.193	PTR	193.74.223.77.akado-ural.ru
77.223.77.77	A	notebookzip.ru
77.223.77.77	A	mail.notebookzip.ru
77.223.77.104	PTR	104.77.223.77.akado-ural.ru
77.223.77.165	PTR	165.77.223.77.akado-ural.ru
77.223.78.79	PTR	79.78.223.77.akado-ural.ru
77.223.78.152	PTR	152.78.223.77.akado-ural.ru
77.223.78.152	A	optximia.ru
77.223.79.3	PTR	3.79.223.77.akado-ural.ru
77.223.79.4	PTR	4.79.223.77.akado-ural.ru
77.223.79.65	PTR	65.79.223.77.akado-ural.ru
77.223.79.92	A	midgard.akado-ural.ru
77.223.79.128	PTR	128.79.223.77.akado-ural.ru
77.223.79.192	PTR	192.79.223.77.akado-ural.ru
77.223.79.193	PTR	193.79.223.77.akado-ural.ru
77.223.80.31	A	drath.ru
77.223.81.49	A	zlobnygrif.ru
77.223.81.54	PTR	54.81.223.77.akado-ural.ru
77.223.81.238	PTR	238.81.223.77.akado-ural.ru
77.223.82.0	PTR	0.82.223.77.akado-ural.ru
77.223.82.0	A	mail.ekdc.org
77.223.85.126	PTR	126.85.223.77.akado-ural.ru
77.223.85.165	PTR	165.85.223.77.akado-ural.ru
77.223.86.16	PTR	16.86.223.77.akado-ural.ru
77.223.86.80	PTR	80.86.223.77.akado-ural.ru
77.223.86.80	A	209-00-00.xn--p1ai
77.223.86.80	A	xn----8sbpmkpb2al5a7h.xn--p1ai
77.223.87.1	PTR	1.87.223.77.akado-ural.ru
77.223.87.2	PTR	2.87.223.77.akado-ural.ru
77.223.87.65	PTR	65.87.223.77.akado-ural.ru
77.223.87.66	PTR	66.87.223.77.akado-ural.ru
77.223.87.77	A	gmb.su
77.223.87.129	PTR	129.87.223.77.akado-ural.ru
77.223.87.192	PTR	192.87.223.77.akado-ural.ru
77.223.87.195	PTR	195.87.223.77.akado-ural.ru
77.223.88.132	PTR	132.88.223.77.akado-ural.ru
77.223.88.139	PTR	139.88.223.77.akado-ural.ru
77.223.89.64	PTR	64.89.223.77.akado-ural.ru
77.223.89.65	PTR	65.89.223.77.akado-ural.ru
77.223.89.66	PTR	66.89.223.77.akado-ural.ru
77.223.89.192	PTR	192.89.223.77.akado-ural.ru
77.223.90.63	PTR	63.90.223.77.akado-ural.ru
77.223.92.217	PTR	217.92.223.77.akado-ural.ru
77.223.92.217	A	mail.atton.ru
77.223.93.14	PTR	14.93.223.77.akado-ural.ru
77.223.94.77	PTR	77.94.223.77.akado-ural.ru
77.223.95.67	PTR	67.95.223.77.akado-ural.ru
77.223.95.109	A	ans.akado-ural.ru
77.223.95.128	PTR	128.95.223.77.akado-ural.ru
77.223.95.130	PTR	130.95.223.77.akado-ural.ru
77.223.96.118	A	therbld.com
77.223.96.173	A	furgon.org
77.223.97.39	A	netajiias.com
77.223.98.100	A	mcdonalds-hk.com
77.223.100.59	A	mofi.ru
77.223.100.104	A	ta-da.ru
77.223.101.0	PTR	0.101.ub2.cable.rednet.ru
77.223.103.65	A	bigpicture.ru
77.223.106.14	A	napf.ru
77.223.106.131	PTR	wikiti.email
77.223.107.58	A	velo161.ru
77.223.110.100	A	slweb.ru
77.223.111.146	A	samka.co
77.223.111.179	A	icra.ru
77.223.111.179	A	vcit.ru
77.223.111.179	A	olaw.ru
77.223.112.0	PTR	null.rednet.ru
77.223.112.1	A+PTR	fddi.rednet.ru
77.223.112.2	A+PTR	ns.rednet.ru
77.223.112.3	A+PTR	indigo.rednet.ru
77.223.112.3	A	cable.rednet.ru
77.223.112.128	A	dynip-128.rednet.ru
77.223.112.129	A	dynip-129.rednet.ru
77.223.112.130	A	dynip-130.rednet.ru
77.223.112.131	A	dynip-131.rednet.ru
77.223.112.209	A	c2.rednet.ru
77.223.112.210	A	po17-200m.rednet.ru
77.223.112.213	A	po1-10-gw.rednet.ru
77.223.112.214	A	fedya-gw.rednet.ru
77.223.113.226	A	*.nbtex.ru
77.223.113.226	A	go-limo.ru
77.223.113.226	A	shop.nbtex.ru
77.223.114.5	A	by4.recoms.pro
77.223.114.5	A	ua4.recoms.pro
77.223.114.5	A	ns2.selectel.ru
77.223.114.10	A	ns4.selectel.org
77.223.116.0	PTR	0.116.smolenka.rednet.ru
77.223.118.0	PTR	0.118.smolenka.rednet.ru
77.223.118.74	A	agro-market24.ru
77.223.118.156	A	www.avtorlab.ru
77.223.118.239	A	vr-one.ru
77.223.125.66	A	vbm.ru
77.223.125.203	A	kkornienko.ru
77.223.127.0	A	dislocated.rednet.ru