Robtex

Up: 49.150.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 49.150.64.0/21
Down right: 49.150.72.0/21

IP	Type	Hostname
49.150.66.51	PTR	dsl.49.150.66.51.pldt.net
49.150.68.144	PTR	dsl.49.150.68.144.pldt.net
49.150.68.210	PTR	dsl.49.150.68.210.pldt.net
49.150.71.100	PTR	dsl.49.150.71.100.pldt.net
49.150.73.18	PTR	dsl.49.150.73.18.pldt.net
49.150.73.99	PTR	dsl.49.150.73.99.pldt.net
49.150.73.179	PTR	dsl.49.150.73.179.pldt.net
49.150.73.194	PTR	dsl.49.150.73.194.pldt.net
49.150.78.143	PTR	dsl.49.150.78.143.pldt.net