Robtex

Up: 49.151.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 49.151.48.0/21
Down right: 49.151.56.0/21

IP	Type	Hostname
49.151.48.75	PTR	dsl.49.151.48.75.pldt.net
49.151.49.0	PTR	dsl.49.151.49.0.pldt.net
49.151.49.1	PTR	dsl.49.151.49.1.pldt.net
49.151.49.130	PTR	dsl.49.151.49.130.pldt.net
49.151.50.69	PTR	dsl.49.151.50.69.pldt.net
49.151.50.243	PTR	dsl.49.151.50.243.pldt.net
49.151.51.44	PTR	dsl.49.151.51.44.pldt.net
49.151.53.19	PTR	dsl.49.151.53.19.pldt.net
49.151.55.231	A	minstage.com
49.151.58.200	PTR	dsl.49.151.58.200.pldt.net
49.151.62.49	PTR	dsl.49.151.62.49.pldt.net