Robtex

Up: 203.81.34.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.81.34.0/25
Down right: 203.81.34.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.81.34.0	PTR	203-81-34-0.revdns.pacificinternet.com
203.81.34.68	A+PTR	updates.pacweb.net.sg
203.81.34.82	PTR	sembdc.com.sg
203.81.34.101	A	diamond.pacweb.net.sg
203.81.34.102	A	iolite.pacweb.net.sg
203.81.34.104	A+PTR	ovms8-ct3-1.pacific.net.sg
203.81.34.105	A+PTR	ovms9-ct3-1.pacific.net.sg
203.81.34.106	A+PTR	ovms2-ct3-1.pacific.net.sg
203.81.34.107	A+PTR	ovms3-ct3-1.pacific.net.sg
203.81.34.108	A+PTR	ovms4-ct3-1.pacific.net.sg
203.81.34.151	A	moonstone.pacweb.net.sg
203.81.34.151	A	b09007db.pacweb.net.sg
203.81.34.223	A+PTR	ioliteold.pacweb.net.sg
203.81.34.224	A+PTR	diamondold.pacweb.net.sg
203.81.34.227	A+PTR	jade.pacweb.net.sg
203.81.34.230	A	chartered.com.sg
203.81.34.230	A	www.axa-insurance.com.sg
203.81.34.231	PTR	jasper.pacweb.net.sg
203.81.34.231	A	chartered.com.sg
203.81.34.231	A	mapei.com.sg
203.81.34.232	A+PTR	mercury.pacweb.net.sg
203.81.34.255	PTR	203-81-34-255.revdns.pacificinternet.com