Robtex

Up: 72.170.32.0/21
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Down left: 72.170.36.0/23
Down right: 72.170.38.0/23

IP	Type	Hostname
72.170.37.91	PTR	host72170009137.direcway.com
72.170.37.160	PTR	host721700016037.direcway.com
72.170.37.161	PTR	host721700016137.direcway.com
72.170.39.60	PTR	host72170006039.direcway.com
72.170.39.91	PTR	host72170009139.direcway.com
72.170.39.122	PTR	host721700012239.direcway.com
72.170.39.200	PTR	host721700020039.direcway.com
72.170.39.228	PTR	host721700022839.direcway.com
72.170.39.240	PTR	host721700024039.direcway.com