Robtex

Up: 203.198.138.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.198.138.0/26
Down right: 203.198.138.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.198.138.2	A+PTR	002.138.198.203.static.netvigator.com
203.198.138.3	A+PTR	003.138.198.203.static.netvigator.com
203.198.138.4	A+PTR	004.138.198.203.static.netvigator.com
203.198.138.5	A+PTR	005.138.198.203.static.netvigator.com
203.198.138.11	A+PTR	011.138.198.203.static.netvigator.com
203.198.138.12	A+PTR	012.138.198.203.static.netvigator.com
203.198.138.13	A+PTR	013.138.198.203.static.netvigator.com
203.198.138.14	A+PTR	014.138.198.203.static.netvigator.com
203.198.138.20	A	mail.buy88hk.com
203.198.138.20	A	buy88hk.com
203.198.138.22	A+PTR	022.138.198.203.static.netvigator.com
203.198.138.22	A	mail.yt-lippo.com
203.198.138.22	A	yt-lippo.com
203.198.138.23	A	mail.ang-toystar.com.hk
203.198.138.23	A	ang-toystar.com.hk
203.198.138.38	A+PTR	038.138.198.203.static.netvigator.com
203.198.138.56	A	056.138.198.203.static.netvigator.com
203.198.138.65	A	pcd070065.netvigator.com
203.198.138.84	A	084.138.198.203.static.netvigator.com
203.198.138.86	A+PTR	086.138.198.203.static.netvigator.com
203.198.138.86	A	bee336.com
203.198.138.86	A	autoyb.com.cn
203.198.138.92	A	irri-net.com
203.198.138.93	A	pcd070093.netvigator.com
203.198.138.99	A+PTR	099.138.198.203.static.netvigator.com
203.198.138.99	A	egdoor.com
203.198.138.99	A	mail.sjk99.cn
203.198.138.100	A	100.138.198.203.static.netvigator.com
203.198.138.120	A	120.138.198.203.static.netvigator.com
203.198.138.126	A	globalconnectapp.com
203.198.138.126	A	smtp.limensystems.org
203.198.138.126	A	pop.limensystems.org