Robtex

Up: 81.19.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.19.87.0/25
Down right: 81.19.87.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.19.87.16	PTR	front.video.rambler.ru
81.19.87.16	A	rambler-vision.ru
81.19.87.16	A	2016.video.rambler.ru
81.19.87.17	A	rambler-vision.ru
81.19.87.17	A	2016.video.rambler.ru
81.19.87.17	A	videorambler.ru
81.19.87.18	A	rambler-vision.ru
81.19.87.18	A	2016.video.rambler.ru
81.19.87.18	A	videorambler.ru
81.19.87.19	A	rambler-vision.ru
81.19.87.19	A	2016.video.rambler.ru
81.19.87.19	A	videorambler.ru
81.19.87.20	A	tv.rambler.ru
81.19.87.20	A	new.tv.rambler.ru
81.19.87.21	A	tv.rambler.ru
81.19.87.21	A	new.tv.rambler.ru
81.19.87.22	A	tv.rambler.ru
81.19.87.22	A	new.tv.rambler.ru
81.19.87.23	A	tv.rambler.ru
81.19.87.23	A	new.tv.rambler.ru
81.19.87.28	PTR	videoplatform.rambler.ru
81.19.87.28	A	jserr.eagleplatform.com
81.19.87.28	A	championat.streaming.eagleplatform.com
81.19.87.29	PTR	videoplatform.rambler.ru
81.19.87.29	A	mosreg.media.eagleplatform.com
81.19.87.29	A	quto.media.eagleplatform.com
81.19.87.40	A	download.rambler.eaglecdn.com
81.19.87.40	A	rambler.eaglecdn.com
81.19.87.40	A	hlsvod.rambler.eaglecdn.com
81.19.87.41	A	download.rambler.eaglecdn.com
81.19.87.41	A	rambler.eaglecdn.com
81.19.87.41	A	hlsvod.rambler.eaglecdn.com
81.19.87.42	A	download.rambler.eaglecdn.com
81.19.87.42	A	rambler.eaglecdn.com
81.19.87.42	A	hlsvod.rambler.eaglecdn.com
81.19.87.48	A+PTR	apl.rambler-co.ru
81.19.87.48	A	api.vp.rambler.ru
81.19.87.48	A	vp.rambler.ru