Robtex

Up: 220.231.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 220.231.112.0/22
Down right: 220.231.116.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.231.112.0	PTR	localhost
220.231.112.89	PTR	localhost
220.231.112.131	PTR	localhost
220.231.112.162	PTR	localhost
220.231.112.185	PTR	localhost
220.231.112.202	PTR	localhost
220.231.114.24	PTR	localhost
220.231.114.120	PTR	localhost
220.231.114.192	PTR	localhost
220.231.115.25	PTR	localhost
220.231.115.138	PTR	localhost
220.231.115.203	PTR	localhost
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
220.231.117.37	A	mail.vfu.edu.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	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
220.231.118.85	A	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	A	hotichtructuyen.moj.gov.vn
220.231.118.133	A	tcldonghoi.moj.gov.vn
220.231.118.133	A	trungcapluatthainguyen.moj.gov.vn
220.231.118.136	PTR	localhost
220.231.118.136	A	phapdien.moj.gov.vn
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	A	thtrungnhut1.cantho.edu.vn
220.231.119.38	A	hongdaol.cantho.edu.vn
220.231.119.38	A	ththanhphu1mail.cantho.edu.vn
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	A	www.hbse.vn
220.231.119.220	A	hbse.vn