Robtex

Up: 203.176.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.176.136.0/22
Down right: 203.176.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.176.136.42	A	www.aipa32.gov.kh
203.176.136.43	PTR	mail.national-assembly.org.kh
203.176.136.90	PTR	sunway.com.kh
203.176.136.90	PTR	pop3.sunway.com.kh
203.176.136.90	PTR	smtp.sunway.com.kh
203.176.136.92	PTR	mail.sbj-cambodia.com
203.176.136.194	PTR	mail.osk.com.kh
203.176.136.194	PTR	mail.kh.oskgroup.com
203.176.136.194	A	smtp.osk.com.kh
203.176.136.218	A	www.sathapana.com.kh
203.176.137.2	PTR	moc.gov.kh
203.176.137.2	PTR	pop3.moc.gov.kh
203.176.137.2	PTR	smtp.moc.gov.kh
203.176.137.58	PTR	mail.funan.com.kh
203.176.137.58	A	mail2.funan.com.kh
203.176.137.60	A	mail1.mohanokor.com
203.176.137.77	A+PTR	mail1.amkcambodia.com
203.176.137.196	A+PTR	fhi.org.kh
203.176.137.196	A+PTR	mail.fhi.org.kh
203.176.138.5	PTR	mail.monument-books.org
203.176.138.5	A	mailserver.kidscitycambodia.com
203.176.138.45	PTR	mail.supertex.com.kh
203.176.138.58	A+PTR	mail.choray-pp.com.kh
203.176.138.117	A+PTR	mail.sathapana.com.kh
203.176.138.154	A	ns2.acledabank.mobi
203.176.138.154	A	ns1.acledabank.mobi
203.176.138.157	A	mbuat.acledabank.mobi
203.176.138.158	A	acledabank.mobi
203.176.138.202	A+PTR	mx1.namru2.org.kh
203.176.138.203	PTR	mail10.namru2.org.kh
203.176.138.204	A+PTR	smtp-out.namru2.org.kh
203.176.138.204	A	webmail.namru2.org.kh
203.176.138.250	A+PTR	webmail.vithey.com.kh
203.176.139.77	A	mail1.phnompenhhotel.com
203.176.139.77	A	mail.phnompenhhotel.com
203.176.140.28	A	mail.acledabank.com.kh
203.176.140.86	A	mdmail.sokimexinv-group.com
203.176.140.86	A	mdmail.skmig.com
203.176.141.119	PTR	mail1.eccc.gov.kh
203.176.141.195	A	ns1.phpmyadmin.nida.gov.kh
203.176.141.195	A	ns1.card.gov.kh
203.176.141.195	A	ns1.moj.gov.kh
203.176.141.200	A	siemreap-town.gov.kh
203.176.141.200	A	www.siemreap-town.gov.kh
203.176.141.200	A	mx.siemreap-town.gov.kh
203.176.141.203	PTR	mail.camcert.gov.kh
203.176.141.203	A	mail.cambodiatourismindustry.gov.kh
203.176.141.208	A	www.camcert.gov.kh
203.176.141.211	A	file.pressocm.gov.kh
203.176.141.211	A	fileprovince.nida.gov.kh
203.176.141.211	A	filepp.nida.gov.kh
203.176.142.34	A	api-acledabank.com
203.176.142.35	A	uat.api-acledabank.com
203.176.142.82	A	sunway.com.kh
203.176.142.82	A	smtp.sunway.com.kh
203.176.142.82	A	pop3.sunway.com.kh
203.176.142.133	A	mail.nagalottery.com
203.176.142.133	A	mail.bassakaair.com
203.176.142.133	A	mail.nagaworld.com
203.176.142.142	A	ns2.bassakaair.com
203.176.142.142	A	ns2.nagaworld.com
203.176.142.143	A	ns1.pcrystal.com
203.176.142.143	A	ns1.nagaworld.com
203.176.142.148	A	webmail.nagaworld.com
203.176.142.148	A	webmail.nagalottery.com
203.176.142.155	A	nagaworld.com
203.176.142.158	A	mail.nagaworld.com
203.176.142.188	A+PTR	mail9.prevoir.asia
203.176.142.188	A	mail.prevoir.asia
203.176.142.188	A	prevoir.asia
203.176.143.18	A+PTR	mail.vn.luenthai.com
203.176.143.18	PTR	mail.kh.luenthai.com
203.176.143.18	PTR	ytydigital.com
203.176.143.19	A	api-acledabank.com
203.176.143.50	A	www.headlinecambodia.com
203.176.143.50	A	khmertalking.com
203.176.143.50	A	feeds.freshnews.asia
203.176.143.51	A	esi1313.com
203.176.143.187	A+PTR	mail.rmec.com.kh
203.176.143.187	A	mail.digitalsky.com.kh
203.176.143.189	A	digitalsky.com.kh
203.176.143.190	A	mail.onetv.com.kh
203.176.143.204	A	mail.acleda-inhouse.com
203.176.143.204	A	acleda-inhouse.com
203.176.143.206	A	autooffice.acledabank.com.kh
203.176.143.226	A	ns1.dequan-international.com
203.176.143.226	A	dequan-international.com