Robtex

Up: 210.193.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.193.12.0/25
Down right: 210.193.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.193.12.72	PTR	72.210-193-12.ngn.m1net.com.sg
210.193.12.82	PTR	82.210-193-12.ngn.m1net.com.sg
210.193.12.104	PTR	104.210-193-12.ngn.m1net.com.sg
210.193.12.105	PTR	email.komoco.com.sg
210.193.12.105	A	mail.komoco.com.sg
210.193.12.105	A	105.210-193-12.adsl.qala.com.sg
210.193.12.119	PTR	119.210-193-12.ngn.m1net.com.sg
210.193.12.120	PTR	email.komoco.com.sg
210.193.12.123	A+PTR	mail1.komoco.com.sg
210.193.12.123	A	mail.toc.org.sg
210.193.12.123	A	mail.mbsa.com.my
210.193.12.138	A	138.210-193-12.adsl.qala.com.sg
210.193.12.139	A	139.210-193-12.adsl.qala.com.sg
210.193.12.146	PTR	146.210-193-12.ngn.m1net.com.sg
210.193.12.153	PTR	153.210-193-12.ngn.m1net.com.sg
210.193.12.183	PTR	183.210-193-12.ngn.m1net.com.sg
210.193.12.188	PTR	188.210-193-12.ngn.m1net.com.sg
210.193.12.192	PTR	192.210-193-12.ngn.m1net.com.sg
210.193.12.196	PTR	196.210-193-12.ngn.m1net.com.sg
210.193.12.228	A	ext-fw.nafa.edu.sg
210.193.12.231	PTR	231.210-193-12.ngn.m1net.com.sg
210.193.12.231	A	dns.nafa-intl.com
210.193.12.231	A	ftp.nafa.edu.sg
210.193.12.232	A+PTR	smtp01.nafa.edu.sg
210.193.12.232	A	232.210-193-12.adsl.qala.com.sg
210.193.12.233	A+PTR	smtp02.nafa.edu.sg
210.193.12.237	PTR	237.210-193-12.ngn.m1net.com.sg
210.193.12.237	A	www.nafa.edu.sg
210.193.12.237	A	237.210-193-12.adsl.qala.com.sg
210.193.12.240	PTR	240.210-193-12.ngn.m1net.com.sg
210.193.12.248	PTR	248.210-193-12.ngn.m1net.com.sg
210.193.12.254	PTR	254.210-193-12.adsl.qala.com.sg
210.193.12.254	A	vdns1.nafa.edu.sg