Robtex

Up: 90.150.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 90.150.176.0/21
Down right: 90.150.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
90.150.176.244	PTR	90.150.176.244.permonline.ru
90.150.177.129	PTR	90.150.177.129.permonline.ru
90.150.178.246	PTR	mx.urlns.ru
90.150.180.218	A	chai.gazprominvestyug.ru
90.150.181.35	PTR	90.150.181.35.permonline.ru
90.150.181.70	PTR	mail3-mvm.perm.ru
90.150.181.217	PTR	90.150.181.217.permonline.ru
90.150.182.226	A	mail.polyex.perm.ru
90.150.183.19	PTR	90.150.183.19.permonline.ru
90.150.183.33	PTR	90.150.183.33.permonline.ru
90.150.183.57	A	ed9.ru
90.150.183.59	A	ru59.net
90.150.183.59	A	ns2.ru59.net
90.150.183.59	A	ns1.ru59.net
90.150.183.80	PTR	90.150.183.80.permonline.ru
90.150.185.73	A	pgss.perm.ru
90.150.185.81	PTR	lider-90.150.184.81.permonline.ru
90.150.185.83	PTR	lider-90.150.184.83.permonline.ru
90.150.185.94	A	familyc.ru
90.150.185.101	A	hitcorp.ru
90.150.185.118	A	mail.ros-banki.ru
90.150.185.118	A	diplom-nado.ru
90.150.185.118	A	mail.diplom-nado.ru
90.150.187.23	A	www.alfa-izhevsk.ru
90.150.187.23	A	alfa-izhevsk.ru
90.150.187.30	PTR	isp.zeita.host
90.150.187.30	A	azimut-motor.ru
90.150.187.30	A	gramo.tk
90.150.188.62	A	mail.polyex.perm.ru
90.150.188.101	PTR	90.150.188.101.permonline.ru
90.150.188.101	A	mail.mzperm.ru
90.150.188.104	A+PTR	eet-2.mzperm.ru
90.150.188.182	A	bnk-finans.ru
90.150.188.183	PTR	90.150.188.183.permonline.ru
90.150.188.183	A	www.corp-trade.com
90.150.188.183	A	corp-trade.com
90.150.189.82	A+PTR	k-vrachu.ru
90.150.189.82	A	mx.swan-it.ru
90.150.189.82	A	mail.swan.perm.ru
90.150.189.83	PTR	90.150.183.83.permonline.ru
90.150.189.83	A	ns1.k-vrachu.ru
90.150.189.128	PTR	90.150.183.128.permonline.ru