Robtex

Up: 85.15.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 85.15.16.0/21
Down right: 85.15.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
85.15.16.0	PTR	85-15-16-0.rasana.net
85.15.16.2	PTR	85-15-16-2.shatel.ir
85.15.16.3	PTR	85-15-16-3.rasana.net
85.15.17.0	PTR	85-15-17-0.shatel.ir
85.15.17.1	PTR	85-15-17-1.shatel.ir
85.15.17.2	PTR	85-15-17-2.shatel.ir
85.15.17.2	A	rasana.ir
85.15.17.2	A	tabriz.shatel.ir
85.15.24.0	PTR	85-15-24-0.rasana.net
85.15.24.48	PTR	shatel.ir
85.15.26.2	PTR	shatel.ir
85.15.26.16	PTR	85-15-26-16.shatel.ir
85.15.26.96	PTR	shatel.ir
85.15.27.1	PTR	shatel.ir
85.15.28.17	PTR	85-15-28-17.rasana.net
85.15.31.1	PTR	85-15-31-1.shatel.ir
85.15.31.146	PTR	85-15-31-146.shatel.ir
85.15.31.177	PTR	shatel.ir