Robtex

Up: 139.0.128.0/21
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Down left: 139.0.128.0/23
Down right: 139.0.130.0/23

IP	Type	Hostname
139.0.128.89	PTR	fm-dyn-139-0-128-89.fast.net.id
139.0.128.141	PTR	fm-dyn-139-0-128-141.fast.net.id
139.0.130.133	PTR	fm-dyn-139-0-130-133.fast.net.id
139.0.130.196	PTR	fm-dyn-139-0-130-196.fast.net.id
139.0.131.179	PTR	fm-dyn-139-0-131-179.fast.net.id