Robtex

Up: 87.249.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 87.249.216.0/22
Down right: 87.249.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.249.216.1	A+PTR	454.ru
87.249.216.2	A+PTR	mail.454.ru
87.249.216.8	A+PTR	ns0.454.ru
87.249.216.10	A+PTR	fgw.454.ru
87.249.216.35	A+PTR	cgw.454.ru
87.249.216.138	PTR	gw-vpn8.454.ru
87.249.216.146	A+PTR	exitkp.ru
87.249.216.146	A	ns.exitkp.ru
87.249.217.4	A	op.vikont.su
87.249.220.249	A	454.ru
87.249.221.130	PTR	mail.impulse-telecom.ru
87.249.221.130	A	business-line74.ru
87.249.221.130	A	xtuke.ru
87.249.221.155	A+PTR	ns.profitcp.ru
87.249.221.155	A	mail2.profitcp.ru
87.249.221.216	A	business-line74.ru
87.249.221.216	A	rvisit.net
87.249.221.216	A	xn--80aeszfp.xn--p1ai
87.249.221.241	A	business-line74.ru
87.249.221.254	A	www.itabcabc.ru
87.249.221.254	A	itabcabc.ru
87.249.222.3	A	huhub.ru
87.249.222.14	A	mail.brusphone.com
87.249.222.14	A	mail.bimza.ru
87.249.222.18	PTR	kikimor.ru
87.249.222.18	A	fpv-fr.ru
87.249.222.18	A	*.kikimor.ru
87.249.222.21	PTR	darkbyte.ru
87.249.222.22	A	amysoft.ru
87.249.222.31	A	ural-grid.ru
87.249.222.31	A	smtp.megarender.com
87.249.222.46	PTR	mail.factorial.ru
87.249.222.78	PTR	apitec.ru
87.249.222.78	A	mail.xn--80aaitegepdbe.xn--p1ai
87.249.222.78	A	74bp.ru
87.249.222.83	A+PTR	op.mavt.ru
87.249.222.115	A+PTR	mail.chkz.ru
87.249.222.115	A	mail1.chkz.ru
87.249.222.131	A+PTR	mail.gruzberi74.ru
87.249.222.132	A+PTR	argonetwork.org
87.249.222.134	PTR	mx.rfchel.ru
87.249.222.156	A	mail.jiltehstroy.ru
87.249.222.156	A	mx-backup.jiltehstroy.ru
87.249.222.180	A	mx3.rez.ru
87.249.222.207	A	mail.74od.ru