Robtex

Up: 66.40.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.40.80.0/21
Down right: 66.40.88.0/21

IP	Type	Hostname
66.40.80.0	PTR	host0.maxim.net
66.40.80.80	PTR	host80.maxim.net
66.40.80.96	PTR	host96.maxim.net
66.40.81.96	PTR	host96.maxim.net
66.40.82.80	PTR	host80.maxim.net
66.40.83.35	PTR	host35.maxim.net
66.40.83.41	A	corlane.com
66.40.83.41	A	*.corlane.com
66.40.83.80	PTR	host80.maxim.net
66.40.83.96	PTR	host96.maxim.net
66.40.83.190	A	*.rochemuf.com
66.40.83.190	A	rochemuf.com
66.40.83.192	A	housewarmings.com
66.40.84.112	PTR	host112.maxim.net
66.40.84.240	A	*.foodwagon.com
66.40.84.240	A	www.foodwagon.com
66.40.84.240	A	foodwagon.com
66.40.85.42	A	decormet.com.ar
66.40.85.96	PTR	host96.maxim.net
66.40.86.35	PTR	host35.maxim.net
66.40.86.96	PTR	host96.maxim.net
66.40.87.96	PTR	host96.maxim.net
66.40.88.80	PTR	host80.maxim.net
66.40.88.96	PTR	host96.maxim.net
66.40.89.35	PTR	host35.maxim.net
66.40.89.167	A	drivetowin.com
66.40.89.167	A	*.drivetowin.com
66.40.90.18	PTR	host18.maxim.net
66.40.90.56	A	cigltd.com
66.40.90.80	PTR	host80.maxim.net
66.40.90.96	PTR	host96.maxim.net
66.40.91.18	PTR	host18.maxim.net
66.40.91.80	PTR	host80.maxim.net
66.40.91.96	PTR	host96.maxim.net
66.40.92.42	A	mail.tonyandkaren.com
66.40.92.42	A	mx.tonyandkaren.com
66.40.92.42	A	tonyandkaren.com
66.40.92.48	PTR	aaphc.org
66.40.92.51	PTR	star-uk.net
66.40.92.163	PTR	kamaolesands.com
66.40.92.178	PTR	aon.com.bo
66.40.92.180	PTR	aptrinc.com
66.40.92.254	A	w1306.hostcentric.net
66.40.93.18	PTR	host18.maxim.net
66.40.93.35	PTR	host35.maxim.net
66.40.94.35	PTR	host35.maxim.net
66.40.94.251	A	mail.microanalog.com
66.40.94.251	A	m1004.hostcentric.net
66.40.94.254	A	mail.seniorresourcesguilford.org
66.40.94.254	A	w1307.hostcentric.net
66.40.95.35	PTR	host35.maxim.net
66.40.95.80	PTR	host80.maxim.net