Robtex

Up: 203.117.186.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.117.187.0/25
Down right: 203.117.187.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.117.187.70	PTR	smtp0.amfraser.com.sg
203.117.187.70	A+PTR	smtp0.fraser.com.sg
203.117.187.71	PTR	smtp1.amfraser.com.sg
203.117.187.71	A+PTR	smtp1.fraser.com.sg
203.117.187.161	A	www.sdpcore.com
203.117.187.167	A	support.sdpcore.com
203.117.187.168	A	secure.pfingo.com
203.117.187.169	A	www.pfingo.com
203.117.187.169	A	mail.pfingo.com
203.117.187.169	A	store.pfingobounce.com
203.117.187.175	A+PTR	mail.pfingo.biz
203.117.187.175	A	www.pfingo.biz
203.117.187.176	A	cm.pfingo.com
203.117.187.178	A+PTR	presenceb.pfingo.com
203.117.187.178	A	mobile.pfingo.com
203.117.187.178	A	home.pfingo.com
203.117.187.179	A+PTR	presence.pfingo.com
203.117.187.180	A	pfingobounce.com
203.117.187.182	A	mobitweet.starhub.com
203.117.187.198	PTR	po.greenwichgrp-asia.com
203.117.187.198	PTR	smtp.greenwichgrp-asia.com
203.117.187.198	PTR	po.pacificstar-asia.com
203.117.187.200	PTR	psamsrv6.pacificstar-asia.com
203.117.187.200	A+PTR	contacts.pacificstargrp.com
203.117.187.226	PTR	pacificstargrp.com
203.117.187.226	PTR	putericoveresidences.com
203.117.187.226	PTR	websrv.greenwichgrp-asia.com
203.117.187.228	PTR	cn.pacificstargrp.com
203.117.187.228	A+PTR	dr.pacificstargrp.com
203.117.187.228	A+PTR	moss.pacificstargrp.com