Robtex

Up: 109.72.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 109.72.192.0/22
Down right: 109.72.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.72.192.2	A	mail.haftaseman.ir
109.72.192.2	A	leymer.ir
109.72.192.2	A	pg-elecomp.ir
109.72.192.20	A	asct.ir
109.72.192.40	PTR	ns2-infra.khalijfarsonline.com
109.72.192.40	PTR	ns2.khalijfarsonline.com
109.72.192.40	PTR	ns2-infra.khalijonline.com
109.72.192.146	A	www.diau.ac.ir
109.72.192.148	A	mail.diau.ac.ir
109.72.192.148	A	diau.ac.ir
109.72.193.5	A	mail.pomc.ir
109.72.193.11	PTR	109.72.193.11.adsl-customer.khalijfarsonline.net
109.72.193.16	PTR	109.72.193.16.adsl-customer.khalijfarsonline.net
109.72.193.17	PTR	109.72.193.17.adsl-customer.khalijfarsonline.net
109.72.193.19	PTR	109.72.193.19.adsl-customer.khalijfarsonline.net
109.72.193.19	A	pomc.ir
109.72.193.19	A	www.pomc.ir
109.72.193.179	PTR	109.72.193.179.adsl-customer.khalijfarsonline.net
109.72.193.202	PTR	109.72.193.202.adsl-customer.khalijfarsonline.net
109.72.194.9	PTR	109.72.194.9.adsl-customer.khalijfarsonline.net
109.72.196.3	PTR	109.72.196.3.adsl-customer.khalijfarsonline.net
109.72.197.201	PTR	109.72.197.201.adsl-customer.khalijfarsonline.net