Robtex

Up: 203.80.0.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.80.2.0/24
Down right: 203.80.3.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.80.2.2	A	hk-imail.com.hk
203.80.2.5	A	pcmarket.singtao.com
203.80.2.7	A	admsvr.singtao.com
203.80.2.31	A	www.gcmt.com
203.80.2.31	A	gcmt.com
203.80.2.34	A	www.eduplus.hk
203.80.2.34	A	eduplus.com.hk
203.80.2.34	A	www.eduplus.com.hk
203.80.2.36	A	www2.eduplus.com.hk
203.80.2.38	A+PTR	www1.eduplus.com.hk
203.80.2.38	A	www.eduplus.com.hk
203.80.2.39	A	www1.jobmarket.com.hk
203.80.2.66	A	a-performers.com
203.80.2.66	A	www.aperformers.com.hk
203.80.2.66	A	a-performers.com.hk
203.80.2.68	A	headlinejobs.com
203.80.2.68	A	www.headlinejobs.com
203.80.2.68	A	hkheadlinejobs.com
203.80.2.92	PTR	emailalert10.headlinejobs.hk
203.80.2.92	A	mailalert10.headlinejobs.hk
203.80.2.93	PTR	emailalert11.headlinejobs.hk
203.80.2.93	A	mailalert11.headlinejobs.hk
203.80.2.97	A+PTR	emailalert12.jobmarket.com.hk
203.80.2.105	A	www.headlinejobs.hk
203.80.2.105	A	www.headlinejob.hk
203.80.2.105	A	headlinejob.hk
203.80.2.201	A	hdevent.stheadline.com
203.80.2.202	A	www.chippyhouse.com
203.80.2.203	A	mail.headline.hk
203.80.3.5	A+PTR	mail.stnc.hk
203.80.3.31	A	iread-st.com
203.80.3.31	A	www.iread-st.com
203.80.3.31	A	iread-hd.com
203.80.3.32	A	iread-hd.com
203.80.3.32	A	iread-tablet.com
203.80.3.33	A	iread-hd.com
203.80.3.33	A	iread-tablet.com
203.80.3.52	A	zimbra.bastillepost.com
203.80.3.54	A	www.stgloballink.com
203.80.3.54	A	sf.stgloballink.com
203.80.3.54	A	la.stgloballink.com
203.80.3.61	PTR	mail1.singtaonewscorp.com
203.80.3.61	A	mail1.a-performers.com.hk
203.80.3.61	A	mail1.eduplus.hk
203.80.3.62	PTR	mail3.singtaonewscorp.com
203.80.3.62	A	mail.singtaonewscorp.com.hk
203.80.3.62	A	mail3.jobmarket.hk
203.80.3.63	PTR	cip11.singtaonewscorp.com
203.80.3.63	A	mail1.thestandard.com.hk
203.80.3.64	PTR	cip12.singtaonewscorp.com
203.80.3.64	A	mail1.eduplus.hk
203.80.3.64	A	mail1.iread-hd.com
203.80.3.65	PTR	smtp1.singtaonewscorp.com
203.80.3.66	A+PTR	smtp2.singtaonewscorp.com
203.80.3.68	A+PTR	pop1.singtaonewscorp.com
203.80.3.68	A	pop.singtao.com
203.80.3.69	PTR	pop2.singtaonewscorp.com
203.80.3.69	A	mail.thestandard.com.hk
203.80.3.69	A	mail.hk-imail.com.hk
203.80.3.75	A+PTR	smtp.singtaonewscorp.com