Robtex

Up: 203.116.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.116.37.0/25
Down right: 203.116.37.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.116.37.11	A+PTR	tpclaw.tpclaw.com.sg
203.116.37.69	A	tyrestreet.com
203.116.37.69	A	openmail.tyrestreet.com
203.116.37.69	A	be-yon.com
203.116.37.72	PTR	mex.tanchong.com
203.116.37.72	A	mex.tanchong.com.sg
203.116.37.130	A	fw5.ofs.edu.sg
203.116.37.133	A	ns5.ofs.edu.sg
203.116.37.134	A	mail1-prd.ofs.edu.sg
203.116.37.135	A	smtp1.ofs.edu.sg
203.116.37.135	A	mx1.ofs.edu.sg
203.116.37.135	A	mx4.ofs.edu.sg
203.116.37.136	A+PTR	www.ofs.edu.sg
203.116.37.136	A	ofs.edu.sg
203.116.37.136	A	app-prd.ofs.edu.sg
203.116.37.137	A	ns7.ofs.edu.sg
203.116.37.138	A	mps.com.sg