Robtex

Up: 58.185.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.185.96.0/22
Down right: 58.185.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.185.96.2	A	syseng-m2m.com
58.185.96.7	A	syseng-analysis.com
58.185.96.50	A	mail.microbit.sg
58.185.96.50	A	microbit.sg
58.185.96.53	PTR	bsp.microbit.com.sg
58.185.96.53	PTR	bsp200.microbit.com.sg
58.185.96.116	PTR	smtp.hkbea.com.sg
58.185.96.197	A	ubspress.com
58.185.96.206	PTR	mail.ubspress.com
58.185.96.209	A+PTR	mx4.transmexsys.com
58.185.96.210	PTR	mail.gama.org.sg
58.185.96.210	A	mail.transmexsys.com
58.185.96.214	A	mail.transmex.com.sg
58.185.96.215	A+PTR	mails.transmexsys.com
58.185.97.83	A+PTR	email.revada.sg
58.185.97.83	A	mail.revada.sg
58.185.97.132	A	secdns.g2000.com.sg
58.185.97.132	A	secdns.wingtaiasia.com.sg
58.185.97.134	A+PTR	wt-mx2.wingtaiasia.com.sg
58.185.97.134	A	wt-mx2.g2000.com.sg
58.185.98.33	PTR	mail.jsbsin.com.sg
58.185.98.33	A	oceanfivegroup.com
58.185.98.33	A	oceanfiveshipping.com
58.185.98.50	A	pridns.sinbor.com
58.185.98.50	A	pri1dns.sinbor.com
58.185.98.147	A	antispam.ftis.com.sg
58.185.98.148	A+PTR	email.ftis.com.sg
58.185.98.156	A	nat.ftis.com.sg
58.185.98.236	A+PTR	secdns.oakwell.com.sg
58.185.98.236	A	secdns.oakwell.cn
58.185.98.236	A	secdns.ohldg.com
58.185.99.99	A+PTR	admin-nb.dsbrown.com.sg
58.185.99.100	A+PTR	mail.dsbrown.com.sg
58.185.99.211	A	www.fortinet.asia
58.185.99.213	A	fortidollar.com
58.185.99.214	A	mail.fortinet.asia
58.185.100.155	PTR	mxmail.bizhome.sg
58.185.100.155	A	mail.kashin.sg
58.185.100.155	A	mxmail.kashin.sg
58.185.100.163	A	smtp.helios.com.sg
58.185.100.166	A	mail.helios.com.sg
58.185.101.235	A	kleconcepts.com
58.185.101.235	A	kitchevent.com
58.185.102.83	A+PTR	mail.longtech.com.sg
58.185.102.146	PTR	pridns.noryanismayus.com
58.185.102.146	A	smtp.comosi.com
58.185.102.146	A	smtp.noryanismayus.com
58.185.102.147	PTR	www.noryanismayus.com
58.185.102.148	PTR	antispam.noryanismayus.com
58.185.103.34	A	ipetroleum.com.sg
58.185.103.34	A	mail.ipetroleum.com.sg
58.185.103.115	A	remote.nsiap.com
58.185.103.197	A+PTR	exchange.radiusworld.com
58.185.103.198	A+PTR	sea.radiusworld.com
58.185.103.200	A	www.radiusworld.com
58.185.103.200	A	radiusworld.com