Robtex

Up: 217.28.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.28.224.0/21
Down right: 217.28.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.28.225.132	A	ostrovcy-teplo.ru
217.28.225.132	A	mebelny-bazar.ru
217.28.226.4	A	webhost.prodengi.com
217.28.226.4	A	ds2.frsd.ru
217.28.226.4	A	frsd.ru
217.28.226.6	PTR	mx3.frsd.ru
217.28.226.17	A	mx3.fullframe.ru
217.28.226.17	A	inet.fullframe.ru
217.28.226.17	A	fullframe.ru
217.28.227.42	A	mail.comdi.com
217.28.227.45	PTR	mail.klub100.ru
217.28.227.52	A	ns2.acesystem.com
217.28.230.19	PTR	mail.estadoor.ru
217.28.230.20	PTR	ms-home.ru
217.28.230.38	A	mawka.ru
217.28.230.38	A	tsj28.ru
217.28.232.19	A+PTR	xmail.m-reason.ru
217.28.232.19	A	xmail.m-reason.com
217.28.232.130	PTR	jaserver.jahold.com
217.28.232.146	A	ns2.linux-service.ru
217.28.232.154	A	ns2.adminhelp.me
217.28.232.154	A	ns2.powercomp.org
217.28.232.154	A	ns2.reado.ru
217.28.232.214	A	salesmart.ru
217.28.235.22	PTR	mail.helk.su
217.28.235.22	A	mail.oko-sb.com
217.28.235.242	A+PTR	mail.okhta.msk.ru
217.28.235.242	A	okhta.msk.ru
217.28.235.242	A	first.okhta.msk.ru
217.28.238.130	PTR	host20.teleprovodnik.ru
217.28.238.130	A	navme.ru
217.28.238.130	A	mx.navme.ru
217.28.238.202	PTR	neopbx.ru
217.28.238.202	PTR	mail.ooo-vid.ru
217.28.238.204	A	ooo-vid.ru
217.28.238.204	A	www.ooo-vid.ru
217.28.238.218	A	mx.rsw-systems.com