Robtex

Up: 203.129.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.129.67.0/25
Down right: 203.129.67.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.129.67.3	PTR	ns3.hgctr.com
203.129.67.6	A	mail.ihrms21.com
203.129.67.6	A	ihrms21.com
203.129.67.7	PTR	cb.istock21.com
203.129.67.13	A	i21.com.hk
203.129.67.13	A	www.i21.com.hk
203.129.67.14	A	www.hr21.com.hk
203.129.67.14	A	hr21.com.hk
203.129.67.15	A	netfuncn.com
203.129.67.15	A	excel.com.hk
203.129.67.15	A	www.excel.com.hk
203.129.67.16	A+PTR	ftp.excel.com.hk
203.129.67.18	A+PTR	message.hr21.com.hk
203.129.67.19	A+PTR	mail2.excel.com.hk
203.129.67.19	A	mail2.excel1.excel.com.hk
203.129.67.19	A	mail2.i21.com.hk
203.129.67.20	A+PTR	smartgateway.hr21.com.hk
203.129.67.21	PTR	smtp-s001.excel.com.hk
203.129.67.116	PTR	compumarknetwork.com
203.129.67.124	PTR	mail.wlic.com.hk
203.129.67.141	A	hwleurope.com
203.129.67.141	A	hwltech.com
203.129.67.141	A	hwlhandsets.com
203.129.67.142	A	bima.tre.com
203.129.67.142	A	*.tre.com
203.129.67.142	A	tre.com
203.129.67.185	A	mail.watsons.com.hk
203.129.67.187	A	mail.fortress.com.tw
203.129.67.187	A	mail.fortress.com.hk
203.129.67.193	A	harbour-plaza-hotel.com
203.129.67.193	A	harbourgrandkowloon.com
203.129.67.193	A	hpnpcatering.com
203.129.67.200	A	harbour-grand.com
203.129.67.201	A	hghkcatering.com
203.129.67.201	A	harbourgrandhotels.com
203.129.67.201	A	harbour-grand.com.cn
203.129.67.202	A	harbourplazadining.com
203.129.67.205	PTR	harbour-plaza.com
203.129.67.205	PTR	harbourgrand.com
203.129.67.205	PTR	harbourplaza.com
203.129.67.217	PTR	mrelay1.hgc.com.hk
203.129.67.218	PTR	mrelay1.hgc.com.hk
203.129.67.219	PTR	mrelay1.hgc.com.hk
203.129.67.220	PTR	mrelay2.hgc.com.hk
203.129.67.221	PTR	mrelay2.hgc.com.hk
203.129.67.222	PTR	mrelay2.hgc.com.hk
203.129.67.223	PTR	mrelay2.hgc.com.hk