Robtex

Up: 210.245.20.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 210.245.20.0/26
Down right: 210.245.20.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.245.20.1	A	idcexc004.itlvn.com
210.245.20.1	A	webmail.itlvn.com
210.245.20.3	A	idcexc001.itlvn.com
210.245.20.4	PTR	idcexc002.itlvn.com
210.245.20.4	PTR	webmail.itlvn.com
210.245.20.5	A	webmail.itlvn.com
210.245.20.6	A+PTR	idcexc003.itlvn.com
210.245.20.6	A+PTR	webmail.itlvn.com
210.245.20.13	PTR	crash.tl.gate.vn
210.245.20.65	PTR	inside.gate.vn
210.245.20.68	A	cms-hcm.fpt.edu.vn
210.245.20.72	A	daihoc.fpt.edu.vn
210.245.20.72	A	dangky.fpt.edu.vn
210.245.20.72	A	hcmuni.fpt.edu.vn
210.245.20.74	A	daihoc.fpt.edu.vn
210.245.20.74	A	tinphatitsc.com
210.245.20.75	A	lms-undergrad.fpt.edu.vn
210.245.20.76	A	sharpvnservice.com
210.245.20.76	A	sharpvnservice.vn
210.245.20.81	A+PTR	mail.benhvienthuduc.vn
210.245.20.81	A	mail.benhviendakhoathuduc.org
210.245.20.81	A	mail.bvdkkvthuduc.net
210.245.20.82	PTR	webmail.resortvacations.vn
210.245.20.82	A+PTR	mail.resortvacations.vn
210.245.20.84	A	dns1.easyweb.vn
210.245.20.85	A	dns2.easyweb.vn
210.245.20.87	A	golfdongnai.com
210.245.20.87	A	dauchienthang.com
210.245.20.87	A	aodaimyhanh.vn
210.245.20.88	A	cargillfeed.com.vn
210.245.20.92	A	bayerbrandshop2019.com
210.245.20.92	A	sabecotownhall.com
210.245.20.92	A	*.marry.vn
210.245.20.93	A	mail.palomavietnam.com
210.245.20.93	A	palomavietnam.com
210.245.20.94	A	mail.qntlaw.com
210.245.20.98	A	marrybaby.vn
210.245.20.98	A	www.1000ngayvang.vn
210.245.20.98	A	api.1000ngayvang.vn
210.245.20.105	A	mail.247stores.vn
210.245.20.106	A	nguonsangvietnam.com
210.245.20.106	A	tanlocphat.net
210.245.20.106	A	mail.thegioimyphamqueengroup.com
210.245.20.109	A	mail.tgn.vn
210.245.20.109	A	www.somotweb5.com
210.245.20.109	A	ns1.somotweb3.com
210.245.20.114	A+PTR	mail.vetc.edu.vn
210.245.20.114	A	vinatexcollege.edu.vn
210.245.20.114	A	vetc.edu.vn
210.245.20.118	A	ionetv.net
210.245.20.121	A	goldmindtrading.com
210.245.20.124	A+PTR	mail.khoitoan.com.vn
210.245.20.124	A	khoitoan.com.vn
210.245.20.124	A	hieuchuan.org