Robtex

Up: 193.239.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.239.240.0/23
Down right: 193.239.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.239.242.1	A+PTR	ns.trngroup.ru
193.239.242.2	A+PTR	relay.trngroup.ru
193.239.242.2	A	mail.trngroup.ru
193.239.242.18	A+PTR	real-sector.trngroup.ru
193.239.242.20	A+PTR	cc-ambulance.trngroup.ru
193.239.242.21	PTR	agro-net.ru
193.239.242.49	A+PTR	49.242.239.193.static.trngroup.ru
193.239.242.62	A	62.242.239.193.static.trngroup.ru
193.239.242.63	A	63.242.239.193.static.trngroup.ru
193.239.242.67	PTR	vocord.ru
193.239.242.69	A	vipclimat.ru
193.239.242.70	A	70.242.239.193.static.trngroup.ru
193.239.242.72	A	72.242.239.193.static.trngroup.ru
193.239.242.74	A+PTR	74.242.239.193.static.trngroup.ru
193.239.242.74	A	rusfc.ru
193.239.242.74	A	geotrade.lt
193.239.242.75	PTR	mail.geois.ru
193.239.242.78	A+PTR	78.242.239.193.static.trngroup.ru
193.239.242.78	A	pomninas.ru
193.239.242.78	A	dns2.pomninas.ru
193.239.242.81	PTR	81.242.239.193.static.trngroup.ru
193.239.242.81	A	kbraslety.ru
193.239.242.81	A	stragnik-m.ru
193.239.242.88	A	88.242.239.193.static.trngroup.ru
193.239.242.89	A+PTR	89.242.239.193.static.trngroup.ru
193.239.242.94	A	94.242.239.193.static.trngroup.ru
193.239.242.100	PTR	100.242.239.193.static.trngroup.ru
193.239.242.103	A+PTR	103.242.239.193.static.trngroup.ru
193.239.242.106	PTR	106.242.239.193.static.trngroup.ru
193.239.242.106	A	black.rs-td.ru
193.239.242.107	A+PTR	mx.tdcdr.ru
193.239.242.108	PTR	108.242.239.193.static.trngroup.ru
193.239.242.108	A	torg-master.trngroup.ru
193.239.242.112	PTR	112.242.239.193.static.trngroup.ru
193.239.242.119	PTR	119.242.239.193.static.trngroup.ru
193.239.242.129	A+PTR	gruner.tmaster.ru
193.239.242.129	A	zhta.ru
193.239.242.129	A	tmaster.ru
193.239.242.132	PTR	ns.istochnik.ru
193.239.242.133	A	lotos.transsp.ru
193.239.242.134	A+PTR	pegasus.s-impuls.ru
193.239.242.137	PTR	onix.masmail.ru
193.239.242.137	A	mx1.sipm.ru
193.239.242.137	A	mx2.dor-info.ru
193.239.242.157	A	157.242.239.193.static.trngroup.ru
193.239.242.166	PTR	166.242.239.193.static.trngroup.ru
193.239.242.166	A	mx.doom-tv.com
193.239.242.176	A+PTR	176.242.239.193.static.trngroup.ru
193.239.242.180	A	veltexpress.trngroup.ru
193.239.242.184	PTR	sts-russia.ru
193.239.242.186	A+PTR	bestly.ru
193.239.242.186	A	186.242.239.193.static.trngroup.ru
193.239.242.198	A	198.242.239.193.static.trngroup.ru
193.239.242.200	PTR	mail.mirital.ru
193.239.242.201	PTR	mail.mirital.ru
193.239.242.202	PTR	mail.mirital.ru
193.239.242.203	PTR	mail.mirital.ru
193.239.242.209	A+PTR	pptp.trngroup.ru
193.239.242.210	A	210.242.239.193.static.trngroup.ru
193.239.242.217	A+PTR	foxtrot.trngroup.ru
193.239.242.217	A	trn-telecom.com
193.239.242.217	A	mail.vxxr.ru
193.239.242.237	A+PTR	kb-plan-div.trngroup.ru
193.239.242.249	A+PTR	mars.servicetk.ru
193.239.242.249	A	dolly.servicetk.ru
193.239.242.250	A+PTR	argon.t-s-a.ru
193.239.242.250	A	t-s-a.ru
193.239.242.254	A+PTR	empwks-static.trngroup.ru
193.239.243.1	A+PTR	ns2.trngroup.ru
193.239.243.3	PTR	3.243.239.193.static.trngroup.ru
193.239.243.3	A	ns3.trngroup.ru
193.239.243.5	PTR	5.243.239.193.static.trngroup.ru
193.239.243.16	A	16.243.239.193.static.trngroup.ru
193.239.243.17	PTR	post.ksinvest.ru
193.239.243.17	A	cloud.3g9m.com
193.239.243.17	A	3g9m.com
193.239.243.19	PTR	web.zn-gold.ru
193.239.243.19	A	zn-gold.ru
193.239.243.20	A+PTR	20.243.239.193.static.trngroup.ru
193.239.243.29	A+PTR	webmail.kim-sh.ru
193.239.243.29	A	mx.kim-sh.ru
193.239.243.56	A	56.243.239.193.static.trngroup.ru
193.239.243.85	A	85.243.239.193.static.trngroup.ru
193.239.243.94	PTR	94.243.239.193.static.trngroup.ru
193.239.243.94	A	ns2.uzel-svyazi.ru
193.239.243.118	PTR	sts-russia.ru
193.239.243.128	A+PTR	128.243.239.193.static.trngroup.ru
193.239.243.189	A+PTR	189.243.239.193.static.trngroup.ru
193.239.243.189	A	oooskp.com
193.239.243.189	A	mail.oooskp.com
193.239.243.217	PTR	foxtrot.trngroup.ru
193.239.243.217	A	dns2.crocus-studio.ru
193.239.243.217	A	dns2.colocationcenter.ru
193.239.243.245	A+PTR	nat-srv.trngroup.ru