Robtex

Up: 220.231.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.231.116.0/23
Down right: 220.231.118.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.231.116.2	A	cdsonla.edu.vn
220.231.116.11	PTR	mail.melinhhypermarket.com.vn
220.231.117.2	PTR	localhost
220.231.117.10	PTR	localhost
220.231.117.12	A	mx1.fhs.com.vn
220.231.117.14	A	mx2.fhs.com.vn
220.231.117.26	PTR	localhost
220.231.117.26	A	vmmu.edu.vn
220.231.117.26	A	hocvienquany.edu.vn
220.231.117.34	PTR	localhost
220.231.117.34	A	www.vfu.vn
220.231.117.34	A	vfu.vn
220.231.117.35	PTR	localhost
220.231.117.35	A	ntfpcur.org
220.231.117.36	PTR	localhost
220.231.117.37	A+PTR	mail.vfu.edu.vn
220.231.117.37	A	mail.vfu.vn
220.231.117.74	PTR	localhost
220.231.117.82	PTR	localhost
220.231.117.82	A	hmtu.edu.vn
220.231.117.85	A	study.hmtu.edu.vn
220.231.117.98	PTR	localhost
220.231.117.98	A	dns1.cnd.edu.vn
220.231.117.98	A	newhitek.com
220.231.117.132	PTR	localhost
220.231.117.132	A	edusoft.utehy.edu.vn
220.231.117.149	A	phanducthien.com
220.231.117.179	PTR	localhost
220.231.117.179	A	vbard.net
220.231.117.220	A	vhna.edu.vn
220.231.117.226	PTR	localhost
220.231.117.234	A	hoctructuyen.mta.edu.vn
220.231.117.235	A	dangkyhoc.mta.edu.vn
220.231.118.63	PTR	localhost
220.231.118.85	A+PTR	mail.mod.gov.vn
220.231.118.88	A	www.mod.gov.vn
220.231.118.88	A	bqp.vn
220.231.118.88	A	admm.vn
220.231.118.130	A	dns1.vbqppl.vn
220.231.118.133	PTR	localhost
220.231.118.133	A	hotichtructuyen.moj.gov.vn
220.231.118.133	A	tcldonghoi.moj.gov.vn
220.231.118.135	PTR	localhost
220.231.118.136	PTR	localhost
220.231.118.136	A	phapdien.moj.gov.vn
220.231.118.141	PTR	localhost
220.231.118.141	A	vbpl.vn
220.231.118.145	PTR	localhost
220.231.118.145	A	moj.gov.vn
220.231.118.145	A	thads.moj.gov.vn
220.231.118.151	A	bientap.vbpl.vn
220.231.119.34	A	*.moet.gov.vn
220.231.119.38	PTR	localhost
220.231.119.38	A	thtrungnhut1.cantho.edu.vn
220.231.119.38	A	hongdaol.cantho.edu.vn
220.231.119.45	PTR	localhost
220.231.119.63	PTR	localhost
220.231.119.173	PTR	localhost
220.231.119.186	PTR	localhost
220.231.119.186	A	tcqtkd.edu.vn
220.231.119.186	A	www.tcqtkd.edu.vn
220.231.119.219	PTR	mail.hbse.vn
220.231.119.219	PTR	mail.hbse.com.vn
220.231.119.220	PTR	localhost
220.231.119.220	A	www.hbse.vn
220.231.119.220	A	hbse.vn
220.231.119.247	PTR	localhost
220.231.119.255	PTR	localhost