Robtex

Up: 87.103.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 87.103.240.0/22
Down right: 87.103.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.103.240.0	PTR	b-internet.87.103.240.0.snt.ru
87.103.240.17	PTR	nsosport.ru
87.103.240.64	PTR	b-internet.87.103.240.64.snt.ru
87.103.240.66	PTR	b-internet.87.103.240.66.snt.ru
87.103.240.66	A	graveron.nsk.ru
87.103.240.66	A	tamliga.nsk.ru
87.103.240.77	A	ch11000000a.ru
87.103.240.177	PTR	fsspnso.ru
87.103.240.185	A+PTR	b-internet.87.103.240.185.snt.ru
87.103.240.185	A	mail.saticogroup.com
87.103.240.220	A	autopositive.ru
87.103.241.5	A	www.medsoftservice.ru
87.103.241.60	A	b-internet.87.103.241.60.snt.ru
87.103.241.67	A	b-internet.87.103.241.67.snt.ru
87.103.241.74	A	b-internet.87.103.241.74.snt.ru
87.103.241.95	A	b-internet.87.103.241.95.snt.ru
87.103.241.113	PTR	b-internet.87.103.241.113.snt.ru
87.103.241.113	A	vm.pc-net.ru
87.103.241.129	PTR	ipre.ru
87.103.241.184	A	b-internet.87.103.241.184.snt.ru
87.103.241.207	A	b-internet.87.103.241.207.snt.ru
87.103.241.212	A	b-internet.87.103.241.212.snt.ru
87.103.241.244	A	b-internet.87.103.241.244.snt.ru
87.103.242.1	A+PTR	b-internet.87.103.242.1.snt.ru
87.103.242.26	A+PTR	b-internet.87.103.242.26.snt.ru
87.103.242.79	A	b-internet.87.103.242.79.snt.ru
87.103.242.80	A+PTR	b-internet.87.103.242.80.snt.ru
87.103.242.91	A	wombat.1nsk.ru
87.103.242.131	PTR	sibklad.ru
87.103.242.145	A+PTR	b-internet.87.103.242.145.snt.ru
87.103.242.179	A+PTR	bis.sibnet.ru
87.103.243.41	PTR	arial.ru
87.103.243.58	PTR	int.fotoland.ru
87.103.243.58	A	pro.sibfoto.com
87.103.243.105	PTR	mail.infotechno.ru
87.103.243.133	A	eyemicrosurgery.nsc.ru
87.103.243.133	A	ns.eyemicrosurgery.nsc.ru
87.103.243.160	A+PTR	mx.tehstal.ru
87.103.243.200	A	infoskan.dyndns.org
87.103.244.11	PTR	nsk-miravto.ru
87.103.244.12	A	b-internet.87.103.244.12.snt.ru
87.103.244.142	A	reverse.sibenzyme.com
87.103.244.200	A+PTR	st-gw.bl4a.com
87.103.244.250	PTR	mx.soft-sib.ru
87.103.245.30	A	mx2.city-press.ru
87.103.245.45	A	b-internet.87.103.245.45.snt.ru
87.103.245.190	A	b-internet.87.103.245.190.snt.ru
87.103.245.198	A	yashka.name
87.103.245.249	A	www.elinesoft.ru
87.103.245.249	A	elinesoft.ru
87.103.245.249	A	bikeelectro.com
87.103.246.63	A	ru54.com
87.103.246.63	A	tuzik87.ru54.com
87.103.246.63	A	*.ru54.com
87.103.246.135	A	highsecurityprintingsummit.com
87.103.246.135	A	b-internet.87.103.246.135.snt.ru
87.103.246.135	A	ns3.raifeg.ru
87.103.246.163	PTR	kiho.ru
87.103.246.190	A	b-internet.87.103.246.190.snt.ru
87.103.246.204	A	mail2.olle.su
87.103.246.204	A	mx2.olle.sib.ru