Robtex

Up: 184.52.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 184.52.208.0/21
Down right: 184.52.216.0/21

IP	Type	Hostname
184.52.209.3	PTR	host184523209.direcway.com
184.52.209.16	PTR	host1845216209.direcway.com
184.52.209.18	PTR	host1845218209.direcway.com
184.52.209.32	PTR	host1845232209.direcway.com
184.52.209.33	PTR	host1845233209.direcway.com
184.52.209.34	PTR	host1845234209.direcway.com
184.52.209.67	PTR	host1845267209.direcway.com
184.52.209.80	PTR	host1845280209.direcway.com
184.52.209.82	PTR	host1845282209.direcway.com
184.52.209.96	PTR	host1845296209.direcway.com
184.52.209.114	PTR	host18452114209.direcway.com
184.52.209.115	PTR	host18452115209.direcway.com
184.52.209.129	PTR	host18452129209.direcway.com
184.52.209.147	PTR	host18452147209.direcway.com
184.52.209.161	PTR	host18452161209.direcway.com
184.52.209.176	PTR	host18452176209.direcway.com
184.52.209.177	PTR	host18452177209.direcway.com
184.52.209.192	PTR	host18452192209.direcway.com
184.52.209.194	PTR	host18452194209.direcway.com
184.52.209.195	PTR	host18452195209.direcway.com
184.52.209.210	PTR	host18452210209.direcway.com
184.52.209.211	PTR	host18452211209.direcway.com