Robtex

Up: 203.127.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.127.192.0/23
Down right: 203.127.194.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.127.193.3	PTR	blackbox.neratel.com.sg
203.127.193.3	A+PTR	webbie.neratel.com.sg
203.127.193.3	A	dns3.pathway.com.sg
203.127.193.4	A+PTR	ice.neratel.com.sg
203.127.193.8	A+PTR	bizerp.neratel.com.sg
203.127.193.8	A	athena.neratel.com.sg