Robtex

Up: 203.30.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.30.39.0/25
Down right: 203.30.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.30.39.3	A+PTR	ns1.singaren.net.sg
203.30.39.3	A	ns1.sgaf.org.sg
203.30.39.3	A	www.eduroam.sg
203.30.39.52	A+PTR	ns2.singaren.net.sg
203.30.39.52	A	ns2.eduroam.sg
203.30.39.52	A	ns2.sgaf.org.sg
203.30.39.241	A+PTR	planetlab2.singaren.net.sg
203.30.39.241	A	ae.http.l2.l1.l0.nyucd.net
203.30.39.241	A	4shared.com.nyud.net
203.30.39.242	A+PTR	planetlab3.singaren.net.sg