Robtex

Up: 46.254.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 46.254.241.0/25
Down right: 46.254.241.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.254.241.1	PTR	rpk-idea.ru
46.254.241.2	A	ns1.suls.ru
46.254.241.4	A	ns3.suls.ru
46.254.241.6	A	root.rpk-idea.ru
46.254.241.6	A	*.rpk-idea.ru
46.254.241.13	A	*.rpk-idea.ru
46.254.241.17	A+PTR	mail.rpk-idea.ru
46.254.241.17	A	www.olhon.info
46.254.241.17	A	lagutin.com
46.254.241.18	A	backup-custom.irkutsk.ru
46.254.241.18	A	yashin.irkutsk.ru
46.254.241.18	A	courier.irkutsk.ru
46.254.241.49	PTR	thouse.ru
46.254.241.50	PTR	thouse.ru
46.254.241.53	PTR	mstroy.ru
46.254.241.54	PTR	mstroy.ru
46.254.241.57	PTR	urangeopoisk.ru
46.254.241.58	A+PTR	mail.urangeopoisk.ru
46.254.241.58	A	mail.sosnabf.ru
46.254.241.61	A	mail.urangeo.ru
46.254.241.70	PTR	tc.tspk.ru
46.254.241.70	A	mail.irkroad.ru
46.254.241.74	A	ntp1.niiftri.irkutsk.ru
46.254.241.75	A	ntp2.niiftri.irkutsk.ru
46.254.241.81	PTR	mikrigen.irkutsk.ru
46.254.241.82	PTR	mikrogen.irkutsk.ru
46.254.241.89	PTR	bibybi.ru
46.254.241.90	PTR	bibybi.ru
46.254.241.94	A	speedtest.ortel.ru
46.254.241.97	PTR	msc.asiamusic.ru
46.254.241.98	A+PTR	msc.asiamusic.ru
46.254.241.118	PTR	abc.irkutsk.ru.241.254.46.in-addr.arpa
46.254.241.142	A	mx.irker.ru
46.254.241.145	A+PTR	podderzka.irk.ru
46.254.241.175	PTR	mail.smartirk.ru
46.254.241.188	A+PTR	mail.tdsadko.irk.ru
46.254.241.205	A	apk38.ru
46.254.241.205	A	www.apk38.ru
46.254.241.215	A+PTR	esmtp.admirk.ru
46.254.241.222	A+PTR	l.admirk.ru
46.254.241.222	A	xn--h1aafmboph8hf.xn--p1ai
46.254.241.222	A	mail.admirk.ru
46.254.241.233	PTR	thouse.ru
46.254.241.234	PTR	thouse.ru