Robtex

Up: 5.200.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.200.36.0/23
Down right: 5.200.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.200.36.21	A	mail.it-grad.ru
5.200.36.21	A	mail.comnews.ru
5.200.36.58	A	mail7.it-grad.ru
5.200.36.132	A	oab.it-grad.ru
5.200.37.26	A	market-shinaspb.ru
5.200.37.62	A	www.nalog24.online
5.200.37.62	A	nalog24.online
5.200.37.84	A	1server.ru
5.200.37.90	A	hoccleveclub.com
5.200.37.90	A	hoccleveclub.ru
5.200.37.90	A	www.hoccleveclub.com
5.200.37.138	A	ringcloud.ru
5.200.37.154	A	www.ms12.ru
5.200.37.186	A	fota-app.ydevices.com
5.200.37.199	A+PTR	hyperic.zed.az
5.200.37.207	A	narfun.az
5.200.37.207	A	zed.az
5.200.37.220	A	kiosk.narzone.az
5.200.38.82	A+PTR	nplogistic.com
5.200.38.139	A	sl.bit-live.ru
5.200.38.148	A	rossiya-airlines.ru
5.200.38.148	A	www.rossiya-airlines.ru
5.200.38.148	A	fv.aero
5.200.38.170	A+PTR	elastyx.ru
5.200.38.170	A	smtp-out1.elastyx.ru
5.200.38.170	A	mail.elastyx.com
5.200.38.171	A	xn--h1aladmbr.xn--p1ai
5.200.38.202	A+PTR	pollex.naga.ru
5.200.38.202	A	reestrta.ru
5.200.38.202	A	www.tonkosti.ru
5.200.38.203	A+PTR	medius.naga.ru
5.200.38.204	PTR	arena.naga.ru
5.200.38.227	A	callbine.com
5.200.38.229	A+PTR	sandbox.callbine.com
5.200.39.66	A	mx3.speechpro.com
5.200.39.70	A	ns2.speechpro.com
5.200.39.73	A	vc-bot.com
5.200.39.81	A	geovoice.ru
5.200.39.81	A	xn--80aacrncl0cd7a4b.xn--p1ai
5.200.39.81	A	vitalvoice.ru
5.200.39.82	PTR	voicefabric.ru
5.200.39.104	A	mail.ideas4retail.ru
5.200.39.109	A+PTR	mail-relay.ideas4retail.ru
5.200.39.118	A+PTR	mail-relay2.ideas4retail.ru
5.200.39.178	PTR	skillset.ru
5.200.39.178	A	skillset-school.com
5.200.39.178	A	skillset.kz
5.200.39.179	PTR	vtiger.skillset.ru