Robtex

Up: 116.87.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 116.87.8.0/23
Down right: 116.87.10.0/23

IP	Type	Hostname
116.87.8.1	PTR	1.8.87.116.starhub.net.sg
116.87.8.149	PTR	cm149.zeta8.maxonline.com.sg
116.87.8.182	PTR	182.8.87.116.starhub.net.sg
116.87.9.81	PTR	81.9.87.116.starhub.net.sg
116.87.9.195	PTR	195.9.87.116.starhub.net.sg
116.87.10.110	PTR	110.10.87.116.starhub.net.sg
116.87.10.124	PTR	124.10.87.116.starhub.net.sg
116.87.10.162	PTR	cm162.zeta10.maxonline.com.sg
116.87.11.141	PTR	141.11.87.116.starhub.net.sg
116.87.11.156	A	n2mstudio.com