Robtex

Up: 218.255.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 218.255.3.0/25
Down right: 218.255.3.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
218.255.3.11	PTR	static.reserve.wharfttidc.com
218.255.3.11	A	spammail.eascs.com
218.255.3.12	PTR	static.reserve.wtt.net.hk
218.255.3.12	A	pop.eascs.com
218.255.3.12	A	imap.eascs.com
218.255.3.194	PTR	static.reserve.wtt.net.hk
218.255.3.194	A	www.stmatthew.edu.hk
218.255.3.226	A	gtp.hk
218.255.3.227	A+PTR	s27.blhost.hk
218.255.3.227	A	mail.saifung.com
218.255.3.227	A	121u1124.dns-usa.com
218.255.3.228	PTR	avgate01.ziptexhk.com
218.255.3.228	A	uvinaglobal.com
218.255.3.228	A	curiohunt.com
218.255.3.231	PTR	static.reserve.wtt.net.hk
218.255.3.231	A	s31.blhost.hk
218.255.3.233	A+PTR	s33.blhost.hk
218.255.3.233	A	mail.joinshoe.com
218.255.3.233	A	shouman5.net
218.255.3.234	A+PTR	s34.blhost.hk
218.255.3.235	A	en-hk.com
218.255.3.236	PTR	s36.blhost.hk
218.255.3.236	A	airdrinker.com
218.255.3.236	A	herbace.com
218.255.3.240	PTR	static.reserve.wtt.net.hk
218.255.3.240	A	mail.ujoin.net
218.255.3.240	A	mail.goldfashion.hk
218.255.3.241	A+PTR	s41.blhost.hk
218.255.3.243	A+PTR	s43.blhost.hk
218.255.3.243	A	toxicer.com
218.255.3.243	A	nox-ching.com
218.255.3.246	PTR	static.reserve.wtt.net.hk
218.255.3.246	A	mail2.kordparty.com
218.255.3.247	PTR	static.reserve.wtt.net.hk
218.255.3.247	A	dust-tactics.com
218.255.3.249	A+PTR	s49.blhost.hk
218.255.3.249	A	mtkan.net
218.255.3.252	PTR	s52.blhost.hk
218.255.3.252	A	1-place.hk
218.255.3.252	A	www.1-place.hk
218.255.3.254	A+PTR	s54.blhost.hk
218.255.3.254	A	bombomrun.com
218.255.3.254	A	tcc122.com