Robtex

Up: 223.252.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 223.252.64.0/21
Down right: 223.252.72.0/21

IP	Type	Hostname
223.252.64.64	PTR	tfhs02.techflarehosting.com
223.252.64.64	A	mail.cchproducttrial.com.au
223.252.64.80	PTR	tfhs02.techflarehosting.com
223.252.64.144	PTR	tfhs03.techflarehosting.com
223.252.64.147	PTR	tfhs03.techflarehosting.com
223.252.64.181	PTR