Robtex

Up: 82.115.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 82.115.4.0/23
Down right: 82.115.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
82.115.4.3	PTR	mxout-1383269379.milesfatherfran.com
82.115.4.3	A	mail.mykaraj.ir
82.115.4.3	A	mail.galaxyng.net
82.115.4.11	A	mail.mykaraj.ir
82.115.4.11	A	mail.galaxyng.net
82.115.4.11	A	galaxyng.net
82.115.4.75	PTR	mxout-1383269451.milesfatherfran.com
82.115.7.60	A	hco.ir
82.115.7.60	A	mail.hco.ir
82.115.7.60	A	mx-1.transportecompartido.es