Robtex

Up: 87.251.84.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.251.84.0/25
Down right: 87.251.84.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.251.84.4	A+PTR	theorys.ru
87.251.84.4	A	mail.theorys.ru
87.251.84.4	A	serverlux.ru
87.251.84.10	PTR	free.serverlux.ru
87.251.84.10	A	doorway-e.ru
87.251.84.10	A	mail.doorway-e.ru
87.251.84.13	A+PTR	seamansapp.com
87.251.84.13	A	mail.seamansapp.com
87.251.84.32	A+PTR	mail.coffs.ru
87.251.84.32	A	ns1.vts-center.ru
87.251.84.34	A+PTR	mail.antijazz.ru
87.251.84.34	A	ns2.vts-center.ru
87.251.84.38	A+PTR	mail.vts-center.ru
87.251.84.38	A	vts-center.ru
87.251.84.46	A	doorway-a.com
87.251.84.56	A+PTR	homemailserver.info
87.251.84.56	A	www.homemailserver.info
87.251.84.56	A	mail.homemailserver.info
87.251.84.62	A+PTR	profit1.website
87.251.84.65	A+PTR	profit2.website
87.251.84.84	PTR	hedgemyway.host
87.251.84.84	A	advisinfo.ru
87.251.84.84	A	mail.advisinfo.ru
87.251.84.113	PTR	free.serverlux.ru
87.251.84.113	A	translitplus.site
87.251.84.113	A	mail.translitplus.site
87.251.84.114	A+PTR	plus-translato.xyz
87.251.84.114	A	mail.plus-translato.xyz
87.251.84.121	PTR	free.serverlux.ru
87.251.84.121	A	investbusinessnow.info
87.251.84.124	A+PTR	azizakhon.ru
87.251.84.124	A	mail.azizakhon.ru
87.251.84.134	A+PTR	viewpoint-agency.com
87.251.84.136	A+PTR	centeurion.com
87.251.84.139	A+PTR	wamvinbox.ru
87.251.84.139	A	www.wamvinbox.ru
87.251.84.139	A	mail.wamvinbox.ru
87.251.84.148	A+PTR	fastbestsales.ru
87.251.84.148	A	www.fastbestsales.ru
87.251.84.148	A	mail.fastbestsales.ru
87.251.84.169	A+PTR	investbizpro.biz
87.251.84.170	A+PTR	investbizweb.biz
87.251.84.189	A+PTR	mail1.folbin.info
87.251.84.189	A	ns1.folbin.info
87.251.84.189	A	ns2.folbin.info
87.251.84.211	A+PTR	scitechlanguage.com
87.251.84.226	A+PTR	plus-translat.pw
87.251.84.226	A	mail.plus-translat.pw
87.251.84.226	A	rslb.ru
87.251.84.251	A+PTR	numeritoss.com