Robtex

Up: 202.156.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 202.156.32.0/23
Down right: 202.156.34.0/23

IP	Type	Hostname
202.156.32.222	PTR	unknown.maxonline.com.sg
202.156.33.27	PTR	27.33.156.202.starhub.net.sg
202.156.33.47	PTR	47.33.156.202.starhub.net.sg
202.156.33.53	PTR	53.33.156.202.starhub.net.sg
202.156.33.89	PTR	89.33.156.202.starhub.net.sg
202.156.33.94	PTR	94.33.156.202.starhub.net.sg
202.156.33.101	PTR	101.33.156.202.starhub.net.sg
202.156.33.103	PTR	103.33.156.202.starhub.net.sg
202.156.33.145	PTR	145.33.156.202.starhub.net.sg
202.156.33.147	PTR	147.33.156.202.starhub.net.sg
202.156.33.194	PTR	194.33.156.202.starhub.net.sg
202.156.33.209	PTR	209.33.156.202.starhub.net.sg
202.156.33.214	PTR	214.33.156.202.starhub.net.sg