Robtex

Up: 114.15.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 114.15.0.0/18
Down right: 114.15.64.0/18

IP	Type	Hostname
114.15.0.50	PTR	114-15-0-50.resources.indosat.com
114.15.0.51	PTR	114-15-0-51.resources.indosat.com
114.15.0.98	PTR	114-15-0-98.resources.indosat.com
114.15.0.242	PTR	114-15-0-242.resources.indosat.com
114.15.8.1	PTR	114-15-8-1.resources.indosat.com