Robtex

Up: 66.47.96.0/21
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Down left: 66.47.96.0/23
Down right: 66.47.98.0/23

IP	Type	Hostname
66.47.96.114	PTR	user-112uo3i.biz.mindspring.com
66.47.96.114	A	mail.tortoiseventures.com
66.47.96.114	A	tortoiseventures.com
66.47.97.164	A+PTR	user-112uod4.biz.mindspring.com
66.47.97.164	A	abcobuilders.net
66.47.97.164	A	mail.abcobuilders.net
66.47.99.55	PTR	user-112uopn.biz.mindspring.com