Robtex

Up: 120.180.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 120.182.0.0/16
Down right: 120.183.0.0/16

IP	Type	Hostname
120.182.0.112	PTR	120-182-0-112.resources.indosat.com
120.182.0.114	PTR	120-182-0-114.resources.indosat.com
120.182.33.2	PTR	120-182-33-2.resources.indosat.com
120.183.4.2	PTR	120-183-4-2.resources.indosat.com