Robtex

Up: 194.58.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.58.28.0/23
Down right: 194.58.30.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.58.28.0	PTR	0.28.58.194.reverse.tenthosted.com
194.58.28.4	PTR	4.28.58.194.reverse.tenthosted.com
194.58.28.15	PTR	15.28.58.194.reverse.tenthosted.com
194.58.28.36	PTR	36.28.58.194.reverse.tenthosted.com
194.58.28.59	PTR	59.28.58.194.reverse.tenthosted.com
194.58.28.68	PTR	68.28.58.194.reverse.tenthosted.com
194.58.28.81	PTR	81.28.58.194.reverse.tenthosted.com
194.58.28.82	PTR	82.28.58.194.reverse.tenthosted.com
194.58.28.86	PTR	86.28.58.194.reverse.tenthosted.com
194.58.28.89	PTR	89.28.58.194.reverse.tenthosted.com
194.58.28.98	PTR	98.28.58.194.reverse.tenthosted.com
194.58.28.106	PTR	106.28.58.194.reverse.tenthosted.com
194.58.28.129	PTR	129.28.58.194.reverse.tenthosted.com
194.58.28.141	PTR	141.28.58.194.reverse.tenthosted.com
194.58.28.149	PTR	149.28.58.194.reverse.tenthosted.com
194.58.28.155	PTR	155.28.58.194.reverse.tenthosted.com
194.58.28.163	PTR	163.28.58.194.reverse.tenthosted.com
194.58.28.164	PTR	164.28.58.194.reverse.tenthosted.com
194.58.28.174	PTR	174.28.58.194.reverse.tenthosted.com
194.58.28.176	PTR	176.28.58.194.reverse.tenthosted.com
194.58.28.178	PTR	178.28.58.194.reverse.tenthosted.com
194.58.28.183	PTR	183.28.58.194.reverse.tenthosted.com
194.58.28.190	PTR	190.28.58.194.reverse.tenthosted.com
194.58.28.195	PTR	195.28.58.194.reverse.tenthosted.com
194.58.28.200	PTR	200.28.58.194.reverse.tenthosted.com
194.58.28.213	PTR	213.28.58.194.reverse.tenthosted.com
194.58.28.224	PTR	224.28.58.194.reverse.tenthosted.com
194.58.29.0	PTR	0.29.58.194.reverse.tenthosted.com
194.58.29.130	PTR	130.29.58.194.reverse.tenthosted.com
194.58.30.1	PTR	gw.website.ru
194.58.30.29	A	affiliateclub.ru
194.58.30.29	A	zaodikon.ru
194.58.30.29	A	leprechaun.ru
194.58.30.82	PTR	pragmaticus.ru
194.58.30.84	A	*.fnti.ru
194.58.30.85	PTR	alexnet.ru
194.58.30.85	A	artberloga.ru
194.58.30.89	PTR	ccord.ru
194.58.30.90	A	lactalis.ge
194.58.30.128	PTR	ilion.100mb.net
194.58.30.129	PTR	ibm.ptclab.ru
194.58.30.130	PTR	forum.pravmir.ru
194.58.30.131	PTR	vz01.100mb.ru
194.58.30.133	PTR	fishing.100mb.net
194.58.30.136	A	boxsterauto.ru
194.58.30.136	A	volvo-ekb.ru
194.58.30.136	A	fordekat.ru
194.58.30.137	PTR	indep.adv.ru
194.58.30.149	A	xudojniki.ru
194.58.30.151	A	sun.sunich.100mb.net
194.58.30.167	PTR	ip6.ru
194.58.30.168	PTR	onlinetrade.ru
194.58.30.169	PTR	ma21.ru
194.58.30.170	PTR	bsd.isi.ru
194.58.31.1	PTR	gw.website.ru
194.58.31.4	A	school.sgu.ru
194.58.31.5	A	ns1.vashaigra.ru
194.58.31.6	PTR	mx.itdc.ru
194.58.31.6	A	anketabeeline2.mtw.ru
194.58.31.7	A	proxy.sgu.ru
194.58.31.13	A	mojashkola.ru
194.58.31.13	A	moja-shkola.ru
194.58.31.60	PTR	printdirect.ru
194.58.31.71	A	save2me.com
194.58.31.76	A	*.kid.ru
194.58.31.81	A+PTR	dinic.ptr.sgu.ru
194.58.31.102	PTR	awd.ru
194.58.31.111	PTR	volgo-mama.ru
194.58.31.249	A	sgu.ru