Robtex

Up: 66.128.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.128.8.0/25
Down right: 66.128.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.128.8.13	A	smtp2.xchangetele.com
66.128.8.14	PTR	xchangetele.com
66.128.8.15	PTR	mail.xchangetele.com
66.128.8.15	A+PTR	ns1.xchangetele.com
66.128.8.15	A	mail.teleticket.net
66.128.8.16	PTR	66.128.8.16.xchangetele.com
66.128.8.16	A	centraloffice.net
66.128.8.16	A	centraloffice.com
66.128.8.27	PTR	66.128.8.27.xchangetele.com
66.128.8.27	A	centralmessage.com
66.128.8.27	A	teleticket.net