Robtex

Up: 118.137.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 118.137.16.0/23
Down right: 118.137.18.0/23

IP	Type	Hostname
118.137.16.0	PTR	fm-dyn-118-137-16-0.fast.net.id
118.137.16.8	PTR	fm-dyn-118-137-16-8.fast.net.id
118.137.16.8	A	fm-ip-118.137.16.8.fast.net.id
118.137.16.123	PTR	fm-dyn-118-137-16-123.fast.net.id
118.137.16.222	PTR	fm-dyn-118-137-16-222.fast.net.id
118.137.16.228	PTR	fm-dyn-118-137-16-228.fast.net.id
118.137.16.249	A	fm-ip-118.137.16.249.fast.net.id
118.137.16.255	PTR	fm-dyn-118-137-16-255.fast.net.id
118.137.17.0	PTR	fm-dyn-118-137-17-0.fast.net.id
118.137.17.34	PTR	fm-dyn-118-137-17-34.fast.net.id
118.137.17.62	PTR	fm-dyn-118-137-17-62.fast.net.id
118.137.17.64	A	fm-ip-118.137.17.64.fast.net.id
118.137.17.86	PTR	fm-dyn-118-137-17-86.fast.net.id
118.137.17.86	A	fm-ip-118.137.17.86.fast.net.id
118.137.17.103	PTR	fm-dyn-118-137-17-103.fast.net.id
118.137.17.103	A	fm-ip-118.137.17.103.fast.net.id
118.137.17.147	PTR	fm-dyn-118-137-17-147.fast.net.id
118.137.17.160	PTR	fm-dyn-118-137-17-160.fast.net.id
118.137.17.214	PTR	fm-dyn-118-137-17-214.fast.net.id
118.137.17.217	A	fm-ip-118.137.17.217.fast.net.id
118.137.17.255	PTR	fm-dyn-118-137-17-255.fast.net.id
118.137.18.0	PTR	fm-dyn-118-137-18-0.fast.net.id
118.137.18.26	PTR	fm-dyn-118-137-18-26.fast.net.id
118.137.18.26	A	fm-ip-118.137.18.26.fast.net.id
118.137.18.32	PTR	fm-dyn-118-137-18-32.fast.net.id
118.137.18.148	PTR	fm-dyn-118-137-18-148.fast.net.id
118.137.18.216	PTR	fm-dyn-118-137-18-216.fast.net.id
118.137.19.0	PTR	fm-dyn-118-137-19-0.fast.net.id
118.137.19.34	A	fm-ip-118.137.19.34.fast.net.id
118.137.19.83	PTR	fm-dyn-118-137-19-83.fast.net.id
118.137.19.204	PTR	fm-dyn-118-137-19-204.fast.net.id
118.137.19.204	A	fm-ip-118.137.19.204.fast.net.id
118.137.19.216	PTR	fm-dyn-118-137-19-216.fast.net.id
118.137.19.246	PTR	fm-dyn-118-137-19-246.fast.net.id
118.137.19.255	PTR	fm-dyn-118-137-19-255.fast.net.id