Robtex

Up: 210.245.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.245.13.0/25
Down right: 210.245.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.245.13.4	A	skybox.pvep.com.vn
210.245.13.8	A+PTR	mail.pvep.com.vn
210.245.13.11	A+PTR	smtp.pvep.com.vn
210.245.13.11	A	keys.pvep.com.vn
210.245.13.35	PTR	mail.gdt.gov.vn
210.245.13.37	A	thuevietnam.gov.vn
210.245.13.46	PTR	mail.gdt.gov.vn
210.245.13.60	A	www.tncnonline.vn
210.245.13.60	A	tncnonline.vn
210.245.13.77	A	nro.vietnamair.com.vn
210.245.13.85	A	sftp.vietnamair.com.vn
210.245.13.88	A	glp.vietnamairlines.com
210.245.13.91	A	etsrv.vietnamairlines.com.vn
210.245.13.146	A	hhj.vn
210.245.13.147	A	lib.hlu.edu.vn
210.245.13.147	A	tnlc.edu.vn
210.245.13.149	A	dangkyhoc.hlu.edu.vn
210.245.13.150	A	www.hlu.edu.vn
210.245.13.150	A	hlu.edu.vn
210.245.13.150	A	daihocluathn.edu.vn
210.245.13.153	A	shs.com.vn
210.245.13.153	A	www.shs.com.vn
210.245.13.154	A+PTR	smtp.shs.com.vn
210.245.13.155	A+PTR	mail.shs.com.vn
210.245.13.157	A	online.shs.com.vn
210.245.13.163	PTR	mail.hsph.edu.vn
210.245.13.163	A	chililab.org
210.245.13.167	A	sotttt.caobang.gov.vn
210.245.13.167	A	sotuphap.caobang.gov.vn
210.245.13.167	A	sokhdt.caobang.gov.vn
210.245.13.170	A	elearning.hsph.edu.vn
210.245.13.177	PTR	mail.vpbs.com.vn
210.245.13.179	PTR	mail.vpbs.com.vn
210.245.13.181	PTR	gateway.vpbs.com.vn
210.245.13.183	A	hk002.dp-business.com
210.245.13.184	A+PTR	mail.vpbs.com.vn
210.245.13.185	A+PTR	gateway.vpbs.com.vn
210.245.13.186	A+PTR	gateway-02.vpbs.com.vn
210.245.13.187	A+PTR	vpbs.com.vn
210.245.13.187	A	gateway-02.vpbs.com.vn
210.245.13.187	A	prestigewm.vn
210.245.13.190	A	webtrade.vpbs.com.vn
210.245.13.212	A	lyncdiscover.fsoft.com.vn
210.245.13.222	A+PTR	mail.fsoft.com.vn
210.245.13.222	A	autodiscover.fsoft.com.vn
210.245.13.238	A	mgw.harveynash.com.vn
210.245.13.250	A	lync-webservices-01.fsoft.com.vn
210.245.13.250	A	mail.fptusa.com
210.245.13.251	A+PTR	mail.harveynash.com.vn