Robtex

Up: 203.198.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.198.134.0/25
Down right: 203.198.134.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.198.134.1	A+PTR	001.134.198.203.static.netvigator.com
203.198.134.2	A+PTR	002.134.198.203.static.netvigator.com
203.198.134.3	A+PTR	003.134.198.203.static.netvigator.com
203.198.134.4	A+PTR	004.134.198.203.static.netvigator.com
203.198.134.5	A+PTR	005.134.198.203.static.netvigator.com
203.198.134.5	A	aworklan024005.netvigator.com
203.198.134.11	PTR	mail.medinet.com.hk
203.198.134.12	A+PTR	012.134.198.203.static.netvigator.com
203.198.134.13	A+PTR	013.134.198.203.static.netvigator.com
203.198.134.14	A+PTR	014.134.198.203.static.netvigator.com
203.198.134.22	A	mail.friendsoftheharbour.org
203.198.134.28	PTR	mail.regalway.com
203.198.134.31	A	marksixserver.com
203.198.134.31	A	dragonboatclub.com
203.198.134.42	A	aworklan024042.netvigator.com
203.198.134.49	PTR	049.134.198.203.static.netvigator.com
203.198.134.63	PTR	mail.silverbell.com.hk
203.198.134.122	PTR	122.134.198.203.static.netvigator.com
203.198.134.122	A	liveseafooddirect.com
203.198.134.122	A	fegrp02.fareastgroup.com
203.198.134.128	A+PTR	cfmgt.com.hk
203.198.134.195	A+PTR	195.134.198.203.static.netvigator.com