Robtex

Up: 58.185.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.185.176.0/22
Down right: 58.185.180.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.185.176.153	A	www.xfilenet.com
58.185.177.3	A	mx3.islandgroup.com.sg
58.185.177.10	A+PTR	mx.islandgroup.com.sg
58.185.177.10	A	mx2.islandgroup.com.sg
58.185.177.138	A	sinwa-mx2.sinwaglobal.com
58.185.177.166	A	www.tdstech.synology.me
58.185.177.166	A	tdstech.synology.me
58.185.177.177	A+PTR	chungahdc.caengg.com
58.185.177.177	A	caengg.com
58.185.177.194	A+PTR	smtp.brass-asiapacific.com
58.185.177.194	A	brass.picomail.net
58.185.178.86	PTR	owa.seacastleships.com
58.185.178.154	A	dns.ihubmedia.com
58.185.178.154	A	ns2.ihubmedia.com
58.185.178.157	A	ihubanalytics.com
58.185.178.157	A	www.ihubanalytics.com
58.185.179.3	A	mail.mediesel.com
58.185.179.36	A	datadepot.com.sg
58.185.179.66	A	camp-challenge.com
58.185.179.66	A	www.camp-challenge.com
58.185.179.116	A	dsglobaltech.com
58.185.179.118	A	vct-online.com
58.185.180.39	A+PTR	mail.wlconglomerate.com
58.185.180.39	A+PTR	mail.wlstructures.com
58.185.180.39	A+PTR	mail.wlsunenergy.com
58.185.180.83	A	mail.mpillay.com
58.185.180.163	A	lianhock.com
58.185.180.163	A	ahpohstory.com
58.185.180.163	A	ahpohwindow.com
58.185.180.237	A	mail.masstrans.com
58.185.181.100	A	remote.termi-mesh.com.sg
58.185.181.114	A+PTR	sv1.replyx.sg
58.185.181.114	A	replyx.sg
58.185.181.114	A	frontwave-sms.com
58.185.181.116	PTR	sv2.replyx.com.sg
58.185.181.125	A+PTR	sv3.rpx.sg
58.185.181.125	A	mail.rpx.sg
58.185.182.84	A+PTR	mail.comoffice.com
58.185.182.84	A	mx.comoffice.com
58.185.182.84	A	smtp.comoffice.com
58.185.183.8	A+PTR	smtp.auma.com.sg
58.185.183.60	A+PTR	remote.hsc.sg
58.185.183.148	A+PTR	mail2.wtt.com.sg
58.185.183.179	A+PTR	mx1.chevrons.org.sg
58.185.183.179	A	ns1.chevrons.org.sg
58.185.183.180	A	chevrons.org.sg
58.185.183.180	A	www.chevrons.org.sg