Robtex

Up: 203.162.4.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.162.4.128/26
Down right: 203.162.4.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.162.4.138	A+PTR	premium.smd.vnn.vn
203.162.4.138	A+PTR	www.premium.smd.vnn.vn
203.162.4.138	A+PTR	premium.smtp.smd.vnn.vn
203.162.4.139	A+PTR	smtp.smd.vnn.vn
203.162.4.144	A+PTR	ms24.vnn.vn
203.162.4.145	A+PTR	sp.smd.vnn.vn
203.162.4.146	A+PTR	smtp.mr.vnn.vn
203.162.4.146	A	mr.lephan.com.vn
203.162.4.147	A+PTR	sp.mr.vnn.vn
203.162.4.148	A+PTR	mr.vnn.vn
203.162.4.148	A	greenvina.com
203.162.4.148	A	m-offline.vnn.vn
203.162.4.149	PTR	smd.vnn.vn
203.162.4.149	PTR	ms.smd.vnn.vn
203.162.4.149	PTR	pop.smd.vnn.vn
203.162.4.150	A+PTR	vdc2.com.vn
203.162.4.150	A	mail.vdc2.com.vn
203.162.4.150	A	mailvdc2.vnn.vn
203.162.4.151	PTR	business.vnn.vn
203.162.4.151	A+PTR	smd2.vnn.vn
203.162.4.151	A+PTR	mail.smd2.vnn.vn
203.162.4.155	A+PTR	ms32.vnn.vn
203.162.4.157	A	ms23.vnn.vn
203.162.4.161	A+PTR	hcm-ldap.s.vnn.vn
203.162.4.162	A+PTR	hcm-ms1.s.vnn.vn
203.162.4.163	A+PTR	hcm-mx1.s.vnn.vn
203.162.4.165	A+PTR	hcm-db.s.vnn.vn
203.162.4.166	A+PTR	hcm-us1.s.vnn.vn
203.162.4.166	A	s.vnn.vn
203.162.4.167	A+PTR	hcm-167.vnn.vn
203.162.4.168	A+PTR	hcm-168.vnn.vn
203.162.4.168	PTR	premiumimap.smd.vnn.vn
203.162.4.168	A+PTR	premiummail.smd.vnn.vn
203.162.4.169	A+PTR	hcm-169.vnn.vn
203.162.4.170	A+PTR	hcm-170.vnn.vn
203.162.4.171	A+PTR	hcm-server171.vnn.vn
203.162.4.180	PTR	hcm-180.vnn.vn
203.162.4.180	A	hcm-proxy01.vnn.vn
203.162.4.181	A+PTR	hcm-proxy02.vnn.vn
203.162.4.182	A	hcm-proxycw01.vnn.vn
203.162.4.183	A	hcm-proxycw02.vnn.vn
203.162.4.184	A+PTR	hcm-ms-184.vnn.vn
203.162.4.185	A+PTR	hcm-ms-185.vnn.vn
203.162.4.186	A+PTR	hcm-ms-186.vnn.vn
203.162.4.187	A+PTR	hcm-ms-187.vnn.vn
203.162.4.188	A+PTR	hcm-ms-188.vnn.vn
203.162.4.189	A+PTR	hcm-ms-189.vnn.vn
203.162.4.190	A+PTR	hcm-server01.vnn.vn
203.162.4.190	A	vanepbiendong.com
203.162.4.190	A	cyberlinkvn.com
203.162.4.191	A+PTR	hcm-server02.vnn.vn
203.162.4.191	A	dns2.vienthongbentre.vn
203.162.4.191	A	gvnvh18.cf
203.162.4.193	PTR	hcm-193.vnn.vn
203.162.4.195	A+PTR	hcm-195.vnn.vn
203.162.4.196	A+PTR	hcm-196.vnn.vn
203.162.4.197	A+PTR	hcm-197.vnn.vn
203.162.4.198	A	hcm-198.vnn.vn
203.162.4.199	A+PTR	hcm-199.vnn.vn
203.162.4.200	A+PTR	hcm-200.vnn.vn
203.162.4.201	A	hcm-201.vnn.vn
203.162.4.203	A	mrtgktm.vnn.vn
203.162.4.203	A	mrtg-ktm.vnn.vn
203.162.4.221	A+PTR	hcm-221.vnn.vn
203.162.4.222	A	hcm-222.vnn.vn
203.162.4.223	A+PTR	hcm-223.vnn.vn
203.162.4.224	A	hcm-224.vnn.vn
203.162.4.225	A	hcm-225.vnn.vn
203.162.4.226	PTR	hcm-226.vnn.vn
203.162.4.227	A	hcm-227.vnn.vn
203.162.4.231	A+PTR	hcm-231.vnn.vn
203.162.4.232	PTR	hcm-232.vnn.vn
203.162.4.233	A+PTR	hcm-233.vnn.vn
203.162.4.234	A+PTR	hcm-234.vnn.vn
203.162.4.235	A+PTR	hcm-235.vnn.vn