Robtex

Up: 65.50.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 65.50.129.0/25
Down right: 65.50.129.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.50.129.97	PTR	c-65-50-129-97.hs.gigamonster.net
65.50.129.98	A+PTR	c-65-50-129-98.hs.gigamonster.net
65.50.129.110	A+PTR	c-65-50-129-110.hs.gigamonster.net
65.50.129.110	A	mail.nbmbaa.org
65.50.129.110	A	www.nbmbaa.org