Robtex

Up: 103.16.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.16.168.0/23
Down right: 103.16.170.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.16.168.34	A	mail-radius.teleserv.com.ph
103.16.168.34	A	mail.teleserv.com.ph
103.16.168.140	PTR	webmail.rgoc.com.ph.168.16.103.in-addr.arpa
103.16.168.140	A	mailfilter.rgoc.com.ph
103.16.168.142	A+PTR	www.rgoc.com.ph
103.16.168.170	A+PTR	mail4.puregold.com.ph
103.16.168.227	A	mail.waltermart.com.ph
103.16.168.228	A+PTR	mail2.abenson.com
103.16.168.228	A	mail.electroworld.com.ph
103.16.168.228	A	abenson.com
103.16.169.123	A+PTR	mail.hotelsogo.com
103.16.169.123	PTR	mail.eurotel-hotel.com
103.16.169.123	A+PTR	mail.centralofc.com
103.16.169.149	A	mail.esseltop.com
103.16.169.149	A	tri-qoresolutions.com
103.16.169.149	A	esseltop.com
103.16.170.51	A	mx01.eiti.com.ph
103.16.170.52	A	mx-ex2013.eiti.com.ph
103.16.170.52	A	mx-ex2013.medilink.com.ph
103.16.170.57	A	mx-ex2013.eiti.com.ph
103.16.170.101	A	clm.cis.com.ph
103.16.170.103	A	portal.bayadcenter.com
103.16.170.105	A	ftp.cis.com.ph
103.16.170.106	A	prefunding.bayadcenter.com
103.16.170.106	A	cwsapi.cis.com.ph
103.16.170.107	PTR	ns1432.ztomy.com
103.16.170.107	A	ctpl.bayadcenter.com
103.16.170.114	A	globalpinoytravel.com
103.16.170.114	A	mygprstravel.com
103.16.170.114	A	ejsburgerrito.com
103.16.170.117	A	qwickfinancial.com
103.16.170.166	PTR	sial4.rgoc.com.ph
103.16.170.166	A	sial3.rgoc.com.ph
103.16.170.218	A+PTR	mail5.puregold.com.ph
103.16.170.219	A	ayagoldex1.ayagold.com
103.16.170.219	A	mx.coscocapital.com
103.16.170.243	A	hsmail.icomteq.com
103.16.170.243	A	mx1.icomteq.com
103.16.170.244	A	icomteq.net
103.16.170.244	A	jurisprobe.com
103.16.170.244	A	mx1.icomteq.net
103.16.170.246	A	mx1.icomteq.com
103.16.170.251	A	jurislib.com
103.16.171.163	A	www.itechglobal.com.ph
103.16.171.229	A	ntcmanila.com.ph
103.16.171.235	A	bluehorizons.com.ph
103.16.171.238	A+PTR	mail.bluehorizons.com.ph
103.16.171.238	A	bluehorizons.com.ph