Robtex

Up: 118.143.64.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 118.143.64.0/26
Down right: 118.143.64.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
118.143.64.53	PTR	static-dia-53-64-143-118-on-nets.com
118.143.64.53	A	mail.apel.com
118.143.64.100	PTR	cas01.excel.com.hk
118.143.64.100	PTR	mail.excel.com.hk
118.143.64.100	A+PTR	cas01.excel1.excel.com.hk
118.143.64.101	PTR	cas02.excel.com.hk
118.143.64.101	A+PTR	mail1.excel.com.hk