Robtex

Up: 58.185.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.185.104.0/22
Down right: 58.185.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
58.185.104.72	PTR	firstclass.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
58.185.108.253	A	pop3.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
58.185.111.206	A	zamdiary.com