Robtex

Up: 45.117.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 45.117.184.0/22
Down right: 45.117.188.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
45.117.188.18	A+PTR	spamfw.osinet.com
45.117.188.18	A	balerion.osinet.com
45.117.188.18	A	balerion.pacificinternet.com
45.117.188.32	PTR	mx2.osinet.com
45.117.188.32	A	mail2.colex.com.sg
45.117.188.32	A	mxbackup.pacificinternet.com
45.117.188.67	A+PTR	webmail10.pacificinternet.com
45.117.188.67	A	webmail.pacific.net.sg
45.117.188.67	A	corpweb.pacific.net.sg
45.117.188.69	PTR	mx10.pacificinternet.com
45.117.188.69	A	bizmail1.pacific.net.sg
45.117.188.71	PTR	smtp10.pacificinternet.com
45.117.188.72	A+PTR	smtp11.pacificinternet.com
45.117.188.73	PTR	mail10.pacificinternet.com
45.117.188.73	A	po.pacific.net.sg
45.117.188.73	A	smtp.pacific.net.sg
45.117.188.93	A+PTR	dns2.pacificinternet.com
45.117.188.93	A	ns2.no-nameservers.com
45.117.188.94	A+PTR	pridns.pacificinternet.com
45.117.188.94	A	masterdns.pacificinternet.com
45.117.188.98	PTR	pi-bb-45-117-188-98.pacificinternet.com
45.117.188.129	PTR	smtp.ebusiness.sg
45.117.188.129	A	rotor.com.sg
45.117.190.195	PTR	45-117-190-195.revdns.pacificinternet.com