Robtex

Up: 84.47.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.47.232.0/23
Down right: 84.47.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.47.232.193	A	dns1.rasaneh.com
84.47.233.243	PTR	server.parman.ir
84.47.234.3	A+PTR	mail.sazehgostar.com
84.47.234.5	A	fmw.sazehgostar.com
84.47.234.12	A	qlikview.sazehgostar.com
84.47.234.25	A	ns2.sazehgostar.com
84.47.234.25	A	*.sazehgostar.com
84.47.234.25	A	www.sazehgostar.com
84.47.234.130	PTR	ftp.nilper.ir
84.47.234.130	PTR	ns1.nilper.ir
84.47.234.141	A	mail2.nilper.ir
84.47.235.44	A	mail.plascokar.com