Robtex

Up: 140.0.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 140.0.44.0/23
Down right: 140.0.46.0/23

IP	Type	Hostname
140.0.46.50	PTR	fm-dyn-140-0-46-50.fast.net.id
140.0.46.57	PTR	fm-dyn-140-0-46-57.fast.net.id
140.0.46.66	PTR	fm-dyn-140-0-46-66.fast.net.id
140.0.46.74	PTR	fm-dyn-140-0-46-74.fast.net.id
140.0.46.84	PTR	fm-dyn-140-0-46-84.fast.net.id
140.0.46.94	PTR	fm-dyn-140-0-46-94.fast.net.id
140.0.46.108	PTR	fm-dyn-140-0-46-108.fast.net.id
140.0.46.113	PTR	fm-dyn-140-0-46-113.fast.net.id
140.0.46.121	PTR	fm-dyn-140-0-46-121.fast.net.id
140.0.46.185	PTR	fm-dyn-140-0-46-185.fast.net.id
140.0.46.202	PTR	fm-dyn-140-0-46-202.fast.net.id
140.0.46.207	PTR	fm-dyn-140-0-46-207.fast.net.id
140.0.46.251	PTR	fm-dyn-140-0-46-251.fast.net.id
140.0.46.255	PTR	fm-dyn-140-0-46-255.fast.net.id