Robtex

Up: 72.170.64.0/21
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Down left: 72.170.64.0/23
Down right: 72.170.66.0/23

IP	Type	Hostname
72.170.65.4	PTR	host7217000465.direcway.com
72.170.65.144	PTR	host721700014465.direcway.com
72.170.65.158	PTR	host721700015865.direcway.com
72.170.65.241	PTR	host721700024165.direcway.com
72.170.65.248	PTR	host721700024865.direcway.com
72.170.66.16	PTR	host72170001666.direcway.com
72.170.66.136	PTR	host721700013666.direcway.com
72.170.66.145	PTR	host721700014566.direcway.com
72.170.66.147	PTR	host721700014766.direcway.com
72.170.66.182	PTR	host721700018266.direcway.com
72.170.66.184	PTR	host721700018466.direcway.com