Robtex

Up: 203.126.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.23.0/25
Down right: 203.126.23.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.23.2	PTR	mail.mydata.com.sg
203.126.23.35	A	mail2.enerfo.sg
203.126.23.35	A	mail.enerfo.sg
203.126.23.40	A+PTR	mail.omegra.sg
203.126.23.51	PTR	sataweb.sata.com.sg
203.126.23.51	A	www.sata.com.sg
203.126.23.51	A	pridns.sata.com.sg
203.126.23.52	A+PTR	email.sata.com.sg
203.126.23.52	A	mailexch.sata.com.sg
203.126.23.54	A+PTR	secdns.sata.com.sg
203.126.23.54	A	secdns.sata.sg
203.126.23.54	A	smtp.sata.sg
203.126.23.58	PTR	email.sata.com.sg