Robtex

Up: 66.115.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.115.220.0/25
Down right: 66.115.220.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.115.220.0	A+PTR	0.220.115.66.unassigned.sdncommunications.com
66.115.220.5	PTR	5.220.115.66.static.sdncommunications.com
66.115.220.5	A	fpbvpn.com
66.115.220.5	A	fpbvpn.org
66.115.220.8	A+PTR	8.220.115.66.unassigned.sdncommunications.com
66.115.220.8	A	mypremieraccess.org
66.115.220.8	A	mypremieraccess.biz
66.115.220.16	PTR	16.220.115.66.unassigned.sdncommunications.com