Robtex

Up: 203.198.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.198.140.0/25
Down right: 203.198.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.198.140.1	A+PTR	001.140.198.203.static.netvigator.com
203.198.140.2	A+PTR	002.140.198.203.static.netvigator.com
203.198.140.3	A+PTR	003.140.198.203.static.netvigator.com
203.198.140.4	A+PTR	004.140.198.203.static.netvigator.com
203.198.140.5	A+PTR	005.140.198.203.static.netvigator.com
203.198.140.8	A+PTR	mail.ibuy.com.hk
203.198.140.8	A	ibuy.com.hk
203.198.140.11	A+PTR	011.140.198.203.static.netvigator.com
203.198.140.12	A+PTR	012.140.198.203.static.netvigator.com
203.198.140.13	A+PTR	013.140.198.203.static.netvigator.com
203.198.140.14	A+PTR	014.140.198.203.static.netvigator.com
203.198.140.14	A	mail.vteu.co
203.198.140.26	A+PTR	026.140.198.203.static.netvigator.com
203.198.140.26	A	www.chs.hk
203.198.140.26	A	mail.chs.hk
203.198.140.46	PTR	mail.citylife.com.hk
203.198.140.46	A	mail.mstk.com
203.198.140.46	A	citylife.com.hk
203.198.140.77	PTR	server.sywong.com.hk
203.198.140.88	PTR	mail07.mkk1526.imsbiz.com.hk
203.198.140.96	A+PTR	096.140.198.203.static.netvigator.com
203.198.140.96	A	aworklan011096.netvigator.com
203.198.140.96	A	fullview2010.com
203.198.140.98	A+PTR	098.140.198.203.static.netvigator.com
203.198.140.98	A	foyam.net
203.198.140.104	PTR	104.140.198.203.static.netvigator.com
203.198.140.104	A	tri-linkage.com
203.198.140.118	A	asiaprint.com.hk
203.198.140.170	A+PTR	mail.gold-wo.com.hk
203.198.140.174	A+PTR	174.140.198.203.static.netvigator.com
203.198.140.174	A	aworklan011174.netvigator.com
203.198.140.188	A	aworklan011188.netvigator.com
203.198.140.205	A+PTR	mail.shunyip.com.hk
203.198.140.207	A+PTR	207.140.198.203.static.netvigator.com
203.198.140.207	A	aworklan011207.netvigator.com
203.198.140.217	A	prishmobile.googlesale.net