Robtex

Up: 121.58.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 121.58.232.0/23
Down right: 121.58.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.58.232.0	PTR	0.232.58.121-rev.convergeict.com
121.58.232.35	A+PTR	proxy2.admu.edu.ph
121.58.232.247	A	elnino.observatory.ph
121.58.233.2	A	mail.inquirer.net
121.58.233.2	A	zmail.inquirer.net
121.58.233.3	A	webmail.inquirer.net
121.58.233.4	A	oneinquirer.net
121.58.233.4	A	appscrafts.com
121.58.233.4	A	oneinquirer.com
121.58.233.11	A	ruby.inquirer.net
121.58.233.13	A	smtp.inquirer.net
121.58.233.19	A	mail.medilink.com.ph
121.58.233.21	PTR	mx-ex2013.eiti.com.ph
121.58.233.21	A	mail.medilink.com.ph
121.58.233.34	PTR	fbmail.firstbalfour.com
121.58.233.35	A+PTR	fbmail.firstbalfour.com
121.58.233.36	PTR	firstbalfour.com.233.58.121.in-addr.arpa
121.58.233.36	A	fbmail3.firstbalfour.com
121.58.233.43	PTR	mail.tlsc.com.ph
121.58.233.44	A	tlsc.com.ph
121.58.233.45	A	db.tlsc.com.ph
121.58.233.98	A	dbsoftphil.com
121.58.233.105	A	mail.as1tv.com
121.58.233.107	A	mail.as1tv.com
121.58.233.107	A	www.as1tv.com
121.58.233.107	A	mail.ocmanila.com.ph
121.58.233.116	A	www.as1tv.com
121.58.233.116	A	as1tv.com
121.58.233.116	A	ocmanila.com.ph
121.58.233.130	A	ns2.ltp.com.ph
121.58.233.130	A	ns2.ltpsystems.com
121.58.233.131	A	vpn.ltpsystems.com
121.58.233.132	A+PTR	mx2.ltpsystems.com
121.58.233.180	A	www.abrahamholdings.ph
121.58.233.180	A	armadillo.ph
121.58.233.180	A	abrahamholdings.ph
121.58.233.195	PTR	mail.armadillo.ph
121.58.233.195	A	mail.legendhotels.com.ph
121.58.233.195	A	mail.legendpalawan.com.ph
121.58.233.201	PTR	mail1.armadillo.ph
121.58.233.201	A	mail1.suki.com.ph
121.58.233.201	A	mail1.legendhotels.com.ph
121.58.234.8	A+PTR	mail.pascuallab.com
121.58.234.8	A	pascuallab.com
121.58.234.8	A	*.pascuallab.com
121.58.234.10	A	www.pascuallab.com
121.58.234.26	A+PTR	mail1.dls.com.ph
121.58.234.68	A	mail1.travelsure.ph
121.58.234.86	A	mail.easy.net.ph
121.58.234.90	A	smcglobalpowerbilling.com
121.58.234.101	A	mail.ferrotechsteel.com
121.58.234.115	A	pmti.biz
121.58.234.194	A	mail.lsgh.edu.ph
121.58.234.194	A	ns1.lsgh.edu.ph
121.58.234.194	A	lsgh.edu.ph
121.58.234.196	A	www.lsgh.edu.ph
121.58.234.196	A	hsweb.lsgh.edu.ph
121.58.234.235	A+PTR	mx1.malayan.com
121.58.234.235	A	mail1.fnac.com.ph
121.58.234.235	A	m1.ygcrewards.com
121.58.234.236	A+PTR	mico.malayan.com
121.58.234.242	A	mx10.makatihope.edu.ph
121.58.234.254	A	skywalker.ph.g4s.com
121.58.235.51	A	mail.nearsol-ph.com
121.58.235.59	A+PTR	mail.ndcp.edu.ph
121.58.235.59	A	ns1.ndcp.edu.ph
121.58.235.60	PTR	ndcp.edu.ph
121.58.235.60	A	ns2.ndcp.edu.ph
121.58.235.61	A	mail.ndcp.edu.ph
121.58.235.98	A	mx2.worldpartner.com
121.58.235.99	A	exchange.worldpartner.com
121.58.235.99	A	mx3.worldpartner.com
121.58.235.164	A	eiais.emb.gov.ph
121.58.235.194	A	mail1.army.mil.ph
121.58.235.197	A+PTR	www.army.mil.ph
121.58.235.197	A	army.mil.ph
121.58.235.198	A	elearning.army.mil.ph
121.58.235.199	A+PTR	pmx.army.mil.ph
121.58.235.200	A+PTR	mail2.army.mil.ph
121.58.235.203	A	mail.army.mil.ph
121.58.235.226	PTR	armco1.armcopartners.com
121.58.235.226	A	dns2.devinecareinc.com
121.58.235.227	A+PTR	armco2.armcopartners.com