Robtex

Up: 116.87.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 116.87.0.0/22
Down right: 116.87.4.0/22

IP	Type	Hostname
116.87.1.8	PTR	8.1.87.116.starhub.net.sg
116.87.1.26	PTR	26.1.87.116.starhub.net.sg
116.87.1.27	PTR	27.1.87.116.starhub.net.sg
116.87.1.40	PTR	40.1.87.116.starhub.net.sg
116.87.3.131	PTR	cm131.zeta3.maxonline.com.sg
116.87.4.97	PTR	cm97.zeta4.maxonline.com.sg
116.87.4.227	PTR	cm227.zeta4.maxonline.com.sg
116.87.6.217	PTR	cm217.zeta6.maxonline.com.sg
116.87.7.19	PTR	19.7.87.116.starhub.net.sg
116.87.7.33	PTR	33.7.87.116.starhub.net.sg
116.87.7.89	PTR	89.7.87.116.starhub.net.sg
116.87.7.219	PTR	cm219.zeta7.maxonline.com.sg
116.87.7.243	PTR	243.7.87.116.starhub.net.sg