Robtex

Up: 58.185.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 58.185.96.0/21
Down right: 58.185.104.0/21
(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
58.185.104.54	A+PTR	mail.axa-assistance.sg
58.185.104.54	A	mail.axa-assistance.com.sg
58.185.104.66	PTR	fortigate.ais.com.sg
58.185.104.77	A	smtp.ais.com.sg
58.185.104.90	A+PTR	mail.civica.com.sg
58.185.104.90	A	mail.spydus.com.sg
58.185.104.91	A	ns91.civica.com
58.185.104.131	A	uranus.terasaki.com.sg
58.185.104.140	A+PTR	earth.terasaki.com.sg
58.185.105.82	PTR	lrcmx.euyansang.com
58.185.105.83	A	www.eyss.com.sg
58.185.105.130	A	mail.robeap.com
58.185.105.208	A+PTR	eguard.thome.com.sg
58.185.105.218	A	citrix02.thome.com.sg
58.185.105.240	A	thome.com.sg
58.185.105.242	A	exchange.thome.com.sg
58.185.106.52	A+PTR	smtp2.sif.com.sg
58.185.107.2	A	ftp.stts.com.sg
58.185.107.62	A	vpn1.logicalis.sg
58.185.107.232	PTR	mail.etastartns.com
58.185.107.232	PTR	mail.starmaritime.sg
58.185.107.232	PTR	mail.starmaritime.com.sg
58.185.108.38	A	smtp.mirandah.com
58.185.108.86	A	www.matterhorn.com.sg
58.185.108.194	PTR	office.pasr.com.sg
58.185.108.194	A	office.pasr.net
58.185.108.241	A	printstation.com.sg
58.185.108.241	A	www.printstation.com.sg
58.185.108.243	A	dns2.xpress.com.sg
58.185.108.252	A	smtp2.xpress.sg
58.185.109.50	A	comm.hmsfareast.com
58.185.109.119	A	tplexch.techcogroup.com
58.185.109.119	A	mail.techcogroup.com
58.185.109.246	A	mail.regiondiv.com
58.185.110.73	PTR	secdns.pro-pack.com.sg
58.185.110.74	A	smtp.pro-pack.com.sg
58.185.110.114	A+PTR	mail.newcreation.org.sg
58.185.110.114	A	mail.destined2reignconference.org
58.185.110.114	A	mail.noah.sg
58.185.110.194	PTR	smtp2.sg.mufg.jp
58.185.111.50	A	mail.aas.com.sg
58.185.111.180	A+PTR	mail.scanb.com.sg
58.185.111.196	A	www.netmark.com.sg
58.185.111.196	A	netmark.com.sg
58.185.111.198	A+PTR	nm-serv4.netmark.com.sg
58.185.111.205	A	suzunooto.com