Robtex

Up: 37.9.64.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 37.9.64.0/24
Down right: 37.9.65.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.9.64.10	A+PTR	im-tub-cdn.yandex.net
37.9.64.15	A	37.9.64.15-vpn.dhcp.yndx.net
37.9.64.128	PTR	net-ua-vlan408.yandex.net
37.9.65.7	A+PTR	questblog.people.yandex.net
37.9.65.21	A	zador.net
37.9.65.27	A	mail.disk0.ru
37.9.65.27	A	twem.ru
37.9.65.27	A	l2ru.info
37.9.65.28	PTR	gesu.su
37.9.65.30	PTR	art.people.yandex.net
37.9.65.31	A	arslan.people.yandex.net
37.9.65.32	A	doochik.com
37.9.65.36	PTR	bem.info
37.9.65.40	A	*.iscribe.ru
37.9.65.40	A	kiwi.iscribe.ru
37.9.65.40	A	iscribe.ru
37.9.65.43	A	dietmyfeed.com
37.9.65.44	PTR	ffix.org
37.9.65.45	A+PTR	avmm.people.yandex.net
37.9.65.45	A	avmm.ru
37.9.65.45	A	vmk78.ru
37.9.65.49	PTR	mishanga.ru
37.9.65.49	A	permlug.org
37.9.65.49	A	*.permlug.org
37.9.65.50	A	www.slackl.net
37.9.65.50	A	slackl.net
37.9.65.51	A+PTR	amois.people.yandex.net
37.9.65.51	A	rbl.mx
37.9.65.53	PTR	azee.people.yandex.net
37.9.65.53	A	greatbit.ru
37.9.65.53	A	sandyjam.ru
37.9.65.56	PTR	sporthustle.ru
37.9.65.61	A	thescope.ru
37.9.65.62	A+PTR	master.debian.ru
37.9.65.62	A	debian.ru
37.9.65.74	A	ggray.ru
37.9.65.75	A+PTR	ortemij.people.yandex.net
37.9.65.75	A	pipeinpipe.info
37.9.65.75	A	www.grigoriev.me
37.9.65.78	A+PTR	kyprizel.people.yandex.net
37.9.65.78	A	djangohosting.ru
37.9.65.78	A	kyprizel.net
37.9.65.83	A+PTR	cripi.ru
37.9.65.84	PTR	flierschool.ru
37.9.65.84	A	mzelenkov.tk
37.9.65.84	A	mzelenkov.com
37.9.65.92	PTR	analyzer.people.yandex.net
37.9.65.92	A	secretstore.in
37.9.65.98	PTR	lynn.ru
37.9.65.98	A	www.lynn.ru
37.9.65.99	A	mblsha.com
37.9.65.104	A+PTR	stlukas.ru
37.9.65.104	A	st-lukas.ru
37.9.65.117	A	dmirain.ru
37.9.65.122	A+PTR	romka.people.yandex.net
37.9.65.122	A	opcs.romka.people.yandex.net
37.9.65.200	A	shutter-win07.yandex.net
37.9.65.238	PTR	solr01f.content.yandex.net
37.9.65.238	A	core-myt-vlan684.yandex.net