Robtex

Up: 80.247.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.247.46.0/25
Down right: 80.247.46.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.247.46.1	PTR	gw-46.jam.rfn.ru
80.247.46.24	A+PTR	stream.rfn.ru
80.247.46.28	A	ishak.rfn.ru
80.247.46.30	A+PTR	ns2.rfn.ru
80.247.46.38	PTR	video3.rfn.ru
80.247.46.51	A	blackwolf.rfn.ru
80.247.46.52	A+PTR	rt.rfn.ru
80.247.46.53	A+PTR	eoslik.rfn.ru
80.247.46.53	A	mail1.aic.ru
80.247.46.53	A	mail.greycardinal.ru
80.247.46.54	A+PTR	movie.rfn.ru
80.247.46.55	A+PTR	noc.rfn.ru
80.247.46.56	PTR	stream.rfn.ru
80.247.46.57	PTR	donvad.ru
80.247.46.59	A	flight.com.ru
80.247.46.59	A	sazanov.com
80.247.46.59	A	woodshop.ru
80.247.46.68	A+PTR	proofpoint1.rfn.ru
80.247.46.68	A	antispam1.rfn.ru
80.247.46.69	A+PTR	proofpoint2.rfn.ru
80.247.46.69	A	antispam2.rfn.ru
80.247.46.129	A	shab-m9-gw.rfn.ru
80.247.46.138	PTR	db.rfn.ru
80.247.46.138	A	mail.geodor.ua
80.247.46.138	A	storm.pp.ru
80.247.46.139	PTR	eoslik_jail.rfn.ru
80.247.46.139	A	bukreev.ru
80.247.46.139	A	vitex-company.ru
80.247.46.140	PTR	v20.rfn.ru
80.247.46.140	A	mail.greycardinal.ru
80.247.46.140	A	greycardinal.ru
80.247.46.150	A	ns1.align.ru
80.247.46.153	A+PTR	c6509-shab-v-45.co.rfn.ru
80.247.46.154	A+PTR	gdtm.rfn.ru
80.247.46.196	A	vstat.rtr-vesti.ru
80.247.46.197	A	vstat.rtr-vesti.ru
80.247.46.198	A	vstat.rtr-vesti.ru