Robtex

Up: 49.144.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 49.144.0.0/20
Down right: 49.144.16.0/20

IP	Type	Hostname
49.144.0.0	PTR	dsl.49.144.0.0.pldt.net
49.144.1.2	PTR	dsl.49.144.1.2.pldt.net
49.144.1.97	PTR	dsl.49.144.1.97.pldt.net
49.144.2.1	PTR	dsl.49.144.2.1.pldt.net
49.144.2.33	PTR	dsl.49.144.2.33.pldt.net
49.144.10.2	PTR	dsl.49.144.10.2.pldt.net
49.144.12.196	A	ks59188.com
49.144.14.22	A	abibaa.ca
49.144.16.2	PTR	dsl.49.144.16.2.pldt.net
49.144.16.3	PTR	dsl.49.144.16.3.pldt.net
49.144.16.32	PTR	dsl.49.144.16.32.pldt.net
49.144.16.162	PTR	dsl.49.144.16.162.pldt.net
49.144.16.227	PTR	dsl.49.144.16.227.pldt.net
49.144.21.2	PTR	dsl.49.144.21.2.pldt.net
49.144.23.163	A	blog.knightlust.com
49.144.28.161	PTR	dsl.49.144.28.161.pldt.net
49.144.31.224	PTR	dsl.49.144.31.224.pldt.net