Robtex

Up: 49.150.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 49.150.0.0/20
Down right: 49.150.16.0/20

IP	Type	Hostname
49.150.0.0	PTR	dsl.49.150.0.0.pldt.net
49.150.2.161	PTR	dsl.49.150.2.161.pldt.net
49.150.5.2	PTR	dsl.49.150.5.2.pldt.net
49.150.5.192	PTR	dsl.49.150.5.192.pldt.net
49.150.6.160	PTR	dsl.49.150.6.160.pldt.net
49.150.10.21	PTR	dsl.49.150.10.21.pldt.net
49.150.10.167	PTR	dsl.49.150.10.167.pldt.net
49.150.13.72	A	razorspells.ddns.net
49.150.13.97	PTR	dsl.49.150.13.97.pldt.net
49.150.14.2	PTR	dsl.49.150.14.2.pldt.net
49.150.14.33	PTR	dsl.49.150.14.33.pldt.net
49.150.14.81	PTR	dsl.49.150.14.81.pldt.net
49.150.15.205	A	ftavasia.com
49.150.15.205	A	mail.ftavasia.com
49.150.20.1	PTR	dsl.49.150.20.1.pldt.net
49.150.23.2	PTR	dsl.49.150.23.2.pldt.net
49.150.23.32	PTR	dsl.49.150.23.32.pldt.net
49.150.23.33	PTR	dsl.49.150.23.33.pldt.net
49.150.23.35	PTR	dsl.49.150.23.35.pldt.net
49.150.23.65	PTR	dsl.49.150.23.65.pldt.net
49.150.23.66	PTR	dsl.49.150.23.66.pldt.net
49.150.23.97	PTR	dsl.49.150.23.97.pldt.net
49.150.23.192	PTR	dsl.49.150.23.192.pldt.net
49.150.23.224	PTR	dsl.49.150.23.224.pldt.net
49.150.23.226	PTR	dsl.49.150.23.226.pldt.net
49.150.23.227	PTR	dsl.49.150.23.227.pldt.net
49.150.24.98	PTR	dsl.49.150.24.98.pldt.net
49.150.26.2	PTR	dsl.49.150.26.2.pldt.net
49.150.26.99	PTR	dsl.49.150.26.99.pldt.net
49.150.26.224	PTR	dsl.49.150.26.224.pldt.net
49.150.28.117	PTR	dsl.49.150.28.117.pldt.net
49.150.29.2	PTR	dsl.49.150.29.2.pldt.net
49.150.30.252	PTR	dsl.49.150.30.252.pldt.net