Robtex

Up: 139.193.176.0/21
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Down left: 139.193.176.0/23
Down right: 139.193.178.0/23

IP	Type	Hostname
139.193.177.48	PTR	fm-dyn-139-193-177-48.fast.net.id
139.193.177.165	PTR	fm-dyn-139-193-177-165.fast.net.id
139.193.177.211	PTR	fm-dyn-139-193-177-211.fast.net.id
139.193.178.226	PTR	fm-dyn-139-193-178-226.fast.net.id