Robtex

Up: 132.3.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 132.3.56.0/23
Down right: 132.3.58.0/23

IP	Type	Hostname
132.3.56.132	PTR	peterson-www1.afnoc.af.mil
132.3.57.2	A+PTR	peterson-ns11.afnoc.af.mil
132.3.57.3	A+PTR	peterson-ns12.afnoc.af.mil
132.3.57.10	A	peterson-ns10.afnoc.af.mil
132.3.57.18	A+PTR	peterson-mail1.afnoc.af.mil
132.3.57.19	A+PTR	peterson-mail2.afnoc.af.mil
132.3.57.20	A+PTR	peterson-mail3.afnoc.af.mil
132.3.57.68	PTR	peterson-euram-ext.afnoc.af.mil
132.3.57.68	A	peterson-pxywn2.afnoc.af.mil
132.3.57.69	A+PTR	peterson-pxyw1i.afnoc.af.mil
132.3.57.73	A+PTR	peterson-pxywn1.afnoc.af.mil
132.3.57.74	A+PTR	peterson-pxyw5i.afnoc.af.mil
132.3.57.78	A+PTR	peterson-pxyw1e.afnoc.af.mil
132.3.57.79	A+PTR	peterson-pxyw2e.afnoc.af.mil
132.3.57.80	A+PTR	peterson-pxyw3e.afnoc.af.mil
132.3.57.81	A+PTR	peterson-pxyw4e.afnoc.af.mil
132.3.57.82	A+PTR	peterson-pxyw5e.afnoc.af.mil