Robtex

Up: 218.255.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 218.255.12.0/25
Down right: 218.255.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
218.255.12.21	PTR	static.reserve.wtt.net.hk
218.255.12.24	PTR	static.reserve.wtt.net.hk
218.255.12.102	PTR	static.reserve.wharfttidc.com
218.255.12.102	A	hkmankee.com
218.255.12.102	A	tpcccal.com
218.255.12.161	PTR	static.reserve.wtt.net.hk
218.255.12.226	PTR	static.reserve.wtt.net.hk
218.255.12.232	PTR	static.reserve.wtt.net.hk
218.255.12.234	PTR	cm218-255-12-234.hkcable.com.hk