Robtex

Up: 97.73.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 97.73.32.0/20
Down right: 97.73.48.0/20

IP	Type	Hostname
97.73.32.227	PTR	host97730022732.direcway.com
97.73.33.1	PTR	host977300133.direcway.com
97.73.34.34	PTR	host9773003434.direcway.com
97.73.34.65	PTR	host9773006534.direcway.com
97.73.34.227	PTR	host97730022734.direcway.com
97.73.35.1	PTR	host977300135.direcway.com
97.73.35.2	PTR	host977300235.direcway.com
97.73.39.3	PTR	host977300339.direcway.com
97.73.39.162	PTR	host97730016239.direcway.com
97.73.42.35	PTR	host9773003542.direcway.com
97.73.48.1	PTR	host977300148.direcway.com
97.73.48.67	PTR	host9773006748.direcway.com
97.73.51.160	PTR	host97730016051.direcway.com
97.73.52.1	PTR	host977300152.direcway.com
97.73.55.1	PTR	host977300155.direcway.com