Robtex

Up: 49.146.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 49.146.80.0/21
Down right: 49.146.88.0/21

IP	Type	Hostname
49.146.80.25	PTR	dsl.49.146.80.25.pldt.net
49.146.80.64	PTR	dsl.49.146.80.64.pldt.net
49.146.81.17	PTR	dsl.49.146.81.17.pldt.net
49.146.81.19	PTR	dsl.49.146.81.19.pldt.net
49.146.81.65	PTR	dsl.49.146.81.65.pldt.net
49.146.81.115	PTR	dsl.49.146.81.115.pldt.net
49.146.81.128	PTR	dsl.49.146.81.128.pldt.net
49.146.81.161	PTR	dsl.49.146.81.161.pldt.net
49.146.81.176	PTR	dsl.49.146.81.176.pldt.net
49.146.81.193	PTR	dsl.49.146.81.193.pldt.net
49.146.81.211	PTR	dsl.49.146.81.211.pldt.net
49.146.81.243	PTR	dsl.49.146.81.243.pldt.net
49.146.82.1	PTR	dsl.49.146.82.1.pldt.net
49.146.82.3	PTR	dsl.49.146.82.3.pldt.net
49.146.82.82	PTR	dsl.49.146.82.82.pldt.net
49.146.82.113	PTR	dsl.49.146.82.113.pldt.net
49.146.82.128	PTR	dsl.49.146.82.128.pldt.net
49.146.82.179	PTR	dsl.49.146.82.179.pldt.net
49.146.89.45	PTR	dsl.49.146.89.45.pldt.net
49.146.91.246	PTR	dsl.49.146.91.246.pldt.net