Robtex

Up: 14.161.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 14.161.20.0/24
Down right: 14.161.21.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
14.161.20.3	A	phaner.vn
14.161.20.10	A	mail.nld.com.vn
14.161.20.58	PTR	*.static.vdc.vn
14.161.20.64	A	mail.vietkientruc.vn
14.161.20.104	PTR	*.static.vdc.vn
14.161.20.131	A	mail.palmlogvn.com
14.161.20.133	PTR	*.static.vdc.vn
14.161.20.137	PTR	*.static.vdc.vn
14.161.20.151	PTR	*.static.vdc.vn
14.161.20.172	A+PTR	mail.scj.vn
14.161.20.172	A+PTR	smtp.scj.vn
14.161.20.172	A	pop3.scj.vn
14.161.20.188	PTR	*.static.vdc.vn
14.161.20.203	A	thanhphupack.com
14.161.21.0	PTR	*.static.vdc.vn
14.161.21.6	A	mail.msvndemo.com
14.161.21.6	A	cspvndemo.com
14.161.21.8	PTR	static.vnpt.vn
14.161.21.17	PTR	*.static.vdc.vn
14.161.21.59	A	duanmoikimoanh.com
14.161.21.69	A	hrms.l-concepts.com
14.161.21.117	PTR	static.vnpt.vn
14.161.21.117	A	test-mail.quantrimang.info
14.161.21.117	A	www.athena.edu.vn
14.161.21.118	PTR	*.static.vdc.vn
14.161.21.118	A	mitsubishi-electric.vn
14.161.21.166	PTR	*.static.vdc.vn
14.161.21.169	A	mail.vinpromise.com
14.161.21.179	PTR	*.static.vdc.vn
14.161.21.179	A	neetechco.com
14.161.21.179	A	masterclassvietnam.com
14.161.21.183	PTR	*.static.vdc.vn
14.161.21.187	PTR	*.static.vdc.vn
14.161.21.201	PTR	*.static.vdc.vn
14.161.21.201	A	notafari.com
14.161.21.201	A	mail.bluesky4.com
14.161.21.202	PTR	static.vnpt.vn
14.161.21.202	A	vcef.edu.vn
14.161.21.202	A	www.cdytbinhduong.edu.vn
14.161.21.207	PTR	static.vnpt.vn
14.161.21.220	A	mail.sakosvn.com
14.161.21.221	PTR	*.static.vdc.vn
14.161.21.221	A	namhaiart.com
14.161.21.221	A	saosangdesign.com
14.161.21.233	PTR	*.static.vdc.vn
14.161.21.236	PTR	mail.gasshipping.com.vn