Robtex

Up: 116.89.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 116.89.64.0/20
Down right: 116.89.80.0/20

IP	Type	Hostname
116.89.65.163	PTR	163.65.89.116.starhub.net.sg
116.89.66.64	PTR	64.66.89.116.starhub.net.sg
116.89.66.96	PTR	96.66.89.116.starhub.net.sg
116.89.66.193	PTR	193.66.89.116.starhub.net.sg
116.89.73.2	PTR	cm2.iota73.maxonline.com.sg
116.89.74.42	A	mail.vicube.com
116.89.82.1	PTR	1.82.89.116.starhub.net.sg
116.89.82.34	PTR	34.82.89.116.starhub.net.sg
116.89.82.192	PTR	192.82.89.116.starhub.net.sg
116.89.89.96	PTR	96.89.89.116.starhub.net.sg
116.89.91.64	PTR	cm64.iota91.maxonline.com.sg