Robtex

Up: 69.16.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 69.16.32.0/23
Down right: 69.16.34.0/23

IP	Type	Hostname
69.16.32.103	PTR	its-69-16-32-103.umassp.edu
69.16.32.200	A+PTR	nasconsole.umassp.edu
69.16.32.240	PTR	its-69-16-32-240.umassp.edu
69.16.33.7	PTR	its-69-16-33-7.umassp.edu
69.16.33.24	PTR	its-69-16-33-24.umassp.edu
69.16.33.24	A	umasscollaboration.net
69.16.33.36	A+PTR	smtstodb01.umasscollaboration.net
69.16.33.196	PTR	its-69-16-33-196.umassp.edu
69.16.33.197	PTR	its-69-16-33-197.umassp.edu