Robtex

Up: 139.0.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 139.0.124.0/23
Down right: 139.0.126.0/23

IP	Type	Hostname
139.0.124.175	PTR	fm-dyn-139-0-124-175.fast.net.id
139.0.124.201	PTR	fm-dyn-139-0-124-201.fast.net.id
139.0.124.207	PTR	fm-dyn-139-0-124-207.fast.net.id
139.0.125.5	PTR	fm-dyn-139-0-125-5.fast.net.id
139.0.125.44	PTR	fm-dyn-139-0-125-44.fast.net.id
139.0.125.194	PTR	fm-dyn-139-0-125-194.fast.net.id
139.0.126.171	PTR	fm-dyn-139-0-126-171.fast.net.id
139.0.127.55	PTR	fm-dyn-139-0-127-55.fast.net.id
139.0.127.98	PTR	fm-dyn-139-0-127-98.fast.net.id
139.0.127.116	PTR	fm-dyn-139-0-127-116.fast.net.id
139.0.127.241	A	istorage.ddns.net