Robtex

Up: 13.8.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 13.8.148.0/23
Down right: 13.8.150.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.8.148.10	PTR	usa7061lv561.epn.uswestgw.xerox.com
13.8.148.11	PTR	usa7061lv562.epn.uswestgw.xerox.com
13.8.148.11	A	www.xerox.com.mx
13.8.148.11	A	graphicsprinters.com
13.8.148.105	A+PTR	usa7061lv1368-e5.epn.uswestgw.xerox.com