Robtex

Up: 217.175.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.175.144.0/21
Down right: 217.175.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.175.147.125	PTR	svyazsm.ru
217.175.147.140	PTR	www.cniitei.ru
217.175.147.242	PTR	slox.npfgt.ru
217.175.151.132	PTR	snr1.wsr.ru
217.175.151.133	PTR	snr2.wsr.ru
217.175.152.25	A	mail.corinfotech.ru
217.175.152.25	A	corinfotech.ru
217.175.152.38	A	mail.dkre.ru
217.175.152.66	A+PTR	gwloc.css-rzd.ru
217.175.154.133	A+PTR	mail.rpzt.ru
217.175.155.12	A	ns-a.rzd.ru
217.175.155.12	A	ns-a.firstbox.ru
217.175.155.18	A	learning.rzd.ru
217.175.155.18	A	annrep.rzd.ru
217.175.155.18	A	center.rzd.ru
217.175.155.35	A+PTR	mx.mail.rzd.ru
217.175.155.35	A	mail.rzd.ru
217.175.155.35	A	firstbox.ru
217.175.155.37	A	test-uvzd.rzd.ru
217.175.155.48	A	test-www.rzd.ru
217.175.155.48	A	test-pdaticket.rzd.ru
217.175.155.48	A	test-pass.rzd.ru
217.175.155.51	A	cwp.rzd.ru
217.175.155.64	A	gvc-cggw-cgfe-01.rzd.ru
217.175.155.66	A+PTR	gvc-cggw-cgfe-02.rzd.ru
217.175.155.68	A	etzp.rzd.ru
217.175.155.74	A	ca.rzd.ru
217.175.155.94	A	fuckingall.ru
217.175.155.99	A	cwp.rzd.ru
217.175.155.100	A	ns-c.rzd.ru
217.175.155.103	A	ims1.rzd.ru
217.175.155.104	A	ims2.rzd.ru
217.175.155.112	A	ekmp.rzd.ru
217.175.155.117	A	www.oskinfotrans.ru
217.175.155.117	A	oskinfotrans.ru
217.175.155.120	A	rzd.ru
217.175.155.150	A	learning.rzd.ru
217.175.155.150	A	center.rzd.ru
217.175.155.150	A	rzd.ru
217.175.156.2	A+PTR	mail.css-rzd.ru
217.175.156.2	A+PTR	pantera.css-rzd.ru
217.175.156.2	A+PTR	pop.css-rzd.ru