Robtex

Up: 59.189.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 59.189.12.0/23
Down right: 59.189.14.0/23

IP	Type	Hostname
59.189.12.24	PTR	24.12.189.59.starhub.net.sg
59.189.12.27	PTR	27.12.189.59.starhub.net.sg
59.189.12.42	PTR	cm42.delta12.maxonline.com.sg
59.189.12.53	PTR	53.12.189.59.starhub.net.sg
59.189.12.68	PTR	68.12.189.59.starhub.net.sg
59.189.12.87	PTR	87.12.189.59.starhub.net.sg
59.189.12.157	PTR	157.12.189.59.starhub.net.sg
59.189.12.174	PTR	174.12.189.59.starhub.net.sg
59.189.12.211	PTR	cm211.delta12.maxonline.com.sg
59.189.12.239	PTR	239.12.189.59.starhub.net.sg
59.189.12.254	PTR	unknown.maxonline.com.sg
59.189.15.95	PTR	unknown.maxonline.com.sg