Robtex

Up: 66.242.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.242.238.0/25
Down right: 66.242.238.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.242.238.51	PTR	mail.brcardiology.com
66.242.238.51	A	cisbr.com
66.242.238.53	PTR	66-242-238-53.arpa.kmcmail.net
66.242.238.53	A	barracuda2.pathgroupla.com
66.242.238.53	A	barracuda.mindcreek.com
66.242.238.54	A+PTR	mail.mindcreek.com
66.242.238.57	PTR	66-242-238-57.arpa.kmcmail.net
66.242.238.57	A	southernmedical.com
66.242.238.62	A	businesssync.com
66.242.238.66	A	dns6624223866.infamedics.com
66.242.238.68	A+PTR	dns6624223868.infamedics.com
66.242.238.68	A	lakidsaccess.org
66.242.238.68	A	dns-server3.medicinelouisiana.org
66.242.238.73	A	dns6624223873.infamedics.com
66.242.238.76	A+PTR	dns6624223876.infamedics.com
66.242.238.78	A+PTR	dns6624223878.infamedics.com
66.242.238.78	A	postoffice1.medicinelouisiana.org
66.242.238.78	A	www.netlinellc.com
66.242.238.87	PTR	dns6624223887.infamedics.com
66.242.238.87	A	www.stevendalesoftware.com
66.242.238.87	A	stevendalesoftware.com
66.242.238.90	PTR	dns6624223890.infamedics.com
66.242.238.90	A	www.netlinellc.com
66.242.238.90	A	www.infamedics.com
66.242.238.103	PTR	dns66242238103.infamedics.com
66.242.238.103	A	tecurologic.com
66.242.238.103	A	mail.tecurologic.com
66.242.238.123	PTR	dns66242238123.infamedics.com
66.242.238.123	A	mail.stevendale.org
66.242.238.126	A+PTR	dns66242238126.infamedics.com
66.242.238.126	A	lakidsaccess.org
66.242.238.126	A	dns-server1.netlinellc.com
66.242.238.146	PTR	66-242-238-146.arpa.kmcmail.net
66.242.238.146	A	mail.123fixedrate.com