Robtex

Up: 210.193.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.193.31.0/25
Down right: 210.193.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.193.31.163	PTR	163.210-193-31.ngn.m1net.com.sg
210.193.31.211	PTR	211.210-193-31.ngn.m1net.com.sg
210.193.31.211	A	systech.com.sg
210.193.31.213	PTR	213.210-193-31.ngn.m1net.com.sg
210.193.31.213	A	ranger-technology.com
210.193.31.213	A	ranger.sg
210.193.31.214	PTR	214.210-193-31.ngn.m1net.com.sg
210.193.31.215	PTR	215.210-193-31.ngn.m1net.com.sg
210.193.31.215	A	mail.thirdeye.com.sg
210.193.31.215	A	mail.systech.com.sg
210.193.31.234	A	csmartbtc.net
210.193.31.235	PTR	235.210-193-31.ngn.m1net.com.sg
210.193.31.235	A	csmartapps.net
210.193.31.243	A+PTR	mail.civiltech.sg
210.193.31.243	A	*.civiltech.sg
210.193.31.243	A	smtp.civiltech.sg