Robtex

Up: 116.15.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 116.15.72.0/25
Down right: 116.15.72.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
116.15.72.8	A+PTR	bb116-15-72-8.singnet.com.sg
116.15.72.8	A	dofot9.noip.me
116.15.72.8	A	mail.jordangall.com
116.15.72.209	A+PTR	bb116-15-72-209.singnet.com.sg
116.15.72.219	A+PTR	bb116-15-72-219.singnet.com.sg