Robtex

Up: 85.15.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 85.15.44.0/23
Down right: 85.15.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.15.44.2	PTR	85-15-44-2.shatel.ir
85.15.44.7	PTR	85-15-44-7.rasana.net
85.15.44.20	PTR	85-15-44-20.rasana.net
85.15.44.71	PTR	85-15-44-71.rasana.net
85.15.44.120	PTR	85-15-44-120.rasana.net
85.15.44.149	PTR	85-15-44-149.rasana.net
85.15.45.2	PTR	85-15-45-2.rasana.net
85.15.45.2	A	www.honar-aval.com
85.15.45.2	A	mail.honar-aval.com
85.15.45.11	PTR	85-15-45-11.shatel.ir
85.15.45.16	PTR	85-15-45-16.shatel.ir
85.15.45.45	PTR	85-15-45-45.shatel.ir
85.15.45.85	PTR	85-15-45-85.rasana.net
85.15.45.106	A	iran.agahsystem.com
85.15.45.111	PTR	85-15-45-111.rasana.net
85.15.45.122	A	mail.ittsp.com
85.15.45.122	A	ittsp.com
85.15.45.174	PTR	85-15-45-174.shatel.ir
85.15.45.199	PTR	mail.rojintaak.com
85.15.45.199	A	mailx.rojintaak.ir
85.15.45.199	A	mail.rojintaak.ir
85.15.45.202	PTR	85-15-45-202.rasana.net
85.15.45.215	PTR	85-15-45-215.rasana.net
85.15.45.246	PTR	85-15-45-246.rasana.net
85.15.46.4	PTR	85-15-46-4.shatel.ir
85.15.46.64	A+PTR	mail.kiarangtejarat.ir
85.15.46.64	A	mail.kiarangtejarat.com
85.15.46.82	PTR	85-15-46-82.rasana.net
85.15.46.114	PTR	85-15-46-114.shatel.ir
85.15.46.176	PTR	85-15-46-176.rasana.net
85.15.46.176	A	virgole.com
85.15.47.16	PTR	85-15-47-16.rasana.net
85.15.47.17	A+PTR	mail.seebcomp.com
85.15.47.17	A	seebcomp.com
85.15.47.96	PTR	85-15-47-96.shatel.ir
85.15.47.176	PTR	85-15-47-176.shatel.ir
85.15.47.230	A+PTR	email.persiagostar.com
85.15.47.246	PTR	85-15-47-246.rasana.net
85.15.47.255	PTR	85-15-47-255.rasana.net