Robtex

Up: 203.166.222.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.166.223.0/25
Down right: 203.166.223.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.166.223.2	A	dohometal.net
203.166.223.19	PTR	user.nova.net.hk
203.166.223.20	PTR	user.nova.net.hk
203.166.223.36	PTR	user.nova.net.hk
203.166.223.36	A	spreadprofit.cn
203.166.223.36	A	mail.spreadprofit.cn
203.166.223.37	A+PTR	e-mail.hirosawa.com.cn
203.166.223.38	A+PTR	mail.5-link.cn
203.166.223.38	PTR	mail.bloody.tw
203.166.223.38	PTR	mail.a4tech.com.cn
203.166.223.44	A	mail.paiho.com.cn
203.166.223.44	A	paiho.com.cn
203.166.223.46	PTR	user.nova.net.hk
203.166.223.54	PTR	user.nova.net.hk
203.166.223.255	PTR	user.nova.net.hk