Robtex

Up: 58.182.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.182.132.0/23
Down right: 58.182.134.0/23

IP	Type	Hostname
58.182.132.192	PTR	cm192.kappa132.maxonline.com.sg
58.182.133.221	PTR	cm221.kappa133.maxonline.com.sg
58.182.133.221	A	mail.deeban.net
58.182.134.219	PTR	219.134.182.58.starhub.net.sg
58.182.135.3	PTR	3.135.182.58.starhub.net.sg
58.182.135.184	PTR	cm184.kappa135.maxonline.com.sg