Robtex

Up: 97.72.0.0/18
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Down left: 97.72.0.0/20
Down right: 97.72.16.0/20

IP	Type	Hostname
97.72.0.0	PTR	host977200.direcpc.com
97.72.0.67	PTR	host9772670.direcpc.com
97.72.0.98	PTR	host9772980.direcpc.com
97.72.0.99	PTR	host9772990.direcpc.com
97.72.0.192	PTR	host97721920.direcpc.com
97.72.0.193	PTR	host97721930.direcpc.com
97.72.0.195	PTR	host97721950.direcpc.com
97.72.1.2	PTR	host977221.direcpc.com
97.72.1.65	PTR	host9772651.direcpc.com
97.72.1.99	PTR	host9772991.direcpc.com
97.72.1.192	PTR	host97721921.direcpc.com
97.72.2.3	PTR	host977232.direcpc.com
97.72.2.67	PTR	host9772672.direcpc.com
97.72.2.129	PTR	host97721292.direcpc.com
97.72.4.67	PTR	host9772674.direcpc.com
97.72.8.2	PTR	host977228.direcpc.com
97.72.12.2	PTR	host9772212.direcpc.com