Robtex

Up: 210.245.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.245.20.0/25
Down right: 210.245.20.128/25
(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
210.245.20.131	A	hotelaas.com
210.245.20.134	PTR	mail.unit.com.vn
210.245.20.134	A	mail.lagreentech.com.vn
210.245.20.135	A	toshibacms.com
210.245.20.139	PTR	mail.qsrvietnam.com
210.245.20.139	A	qsrvietnam.com
210.245.20.140	A+PTR	mail.ecopharma.com.vn
210.245.20.155	A+PTR	mail.unit.com.vn
210.245.20.155	A	mail.vinatoken.com.vn
210.245.20.155	A	mxsrv.unit.com.vn
210.245.20.159	A	data.minhngoc.net
210.245.20.159	A	live.minhngoc.group
210.245.20.160	A	www.minhngoc.com.vn
210.245.20.160	A	doisotrung.com
210.245.20.160	A	live.doisotrung.com
210.245.20.161	A	lab.truongton.net
210.245.20.163	A	mail.8giay.com
210.245.20.164	A	www.azinvoice.vn
210.245.20.164	A	azinvoice.vn
210.245.20.165	A	samco.com.vn
210.245.20.165	A	samco.vn
210.245.20.165	A	mailbk.samco.com.vn
210.245.20.166	A+PTR	mx.tmelite-vn.com
210.245.20.166	PTR	anphuctinh.com
210.245.20.169	A	main.muhanoi.net
210.245.20.173	A	phanmemquanlynhahang.com
210.245.20.173	A	quanlykhachsan.net
210.245.20.173	A	phanmemquanlygolf.com
210.245.20.176	A	la34.com.vn
210.245.20.176	A	www.la34.com.vn
210.245.20.176	A	truyenhinhlongan.com.vn
210.245.20.177	A	www.baobinhphuoc.com.vn
210.245.20.177	A	baobinhphuoc.com.vn
210.245.20.180	A	ns3.focus-asia.travel
210.245.20.204	A+PTR	mail.vbma.org.vn
210.245.20.206	A	priceonline.hsc.com.vn
210.245.20.209	A	vbma.org.vn
210.245.20.216	A	priceonline.hsc.com.vn
210.245.20.220	A	livingnext.net
210.245.20.220	A	mail.livingnext.net
210.245.20.220	A	mail.teetalk.vn
210.245.20.221	A	mail.dovitec.com.vn
210.245.20.225	A	com.sgwww.xosothantai.com
210.245.20.225	A	whois.vn.minhngoc.net.vn
210.245.20.225	A	www.wap.minhngoc.net.vn
210.245.20.226	A	mail.doisotrung.net
210.245.20.226	A	*.doisotrung.net
210.245.20.226	A	6x45.net
210.245.20.227	A	live.xosothantai.com
210.245.20.227	A	doisotrung.me
210.245.20.228	A	www.sjc.com.vn
210.245.20.228	A	www2.sjc.com.vn
210.245.20.229	A	mail.ngaydautien.vn
210.245.20.229	A	www.ssd-asia.com
210.245.20.229	A	marcnussaume.com
210.245.20.230	A	st.nhipcaudautu.vn
210.245.20.230	A	rs.baodatviet.vn
210.245.20.230	A	rs100.galaxypub.vn
210.245.20.231	A	st.nhipcaudautu.vn
210.245.20.231	A	rs.baodatviet.vn
210.245.20.231	A	rs100.galaxypub.vn
210.245.20.232	A	benhvienungbuou.vn
210.245.20.234	A	www.phatphapungdung.com
210.245.20.243	A	anbinhpharma.com
210.245.20.245	A	odyssea.vn
210.245.20.246	A	www.odysseahotels.com
210.245.20.250	PTR	mx07.libertycentralhotel.com
210.245.20.250	A+PTR	mail.odysseahotels.com
210.245.20.250	PTR	mx01.libertyhotels.com.vn
210.245.20.251	PTR	mx06.odyssea.vn
210.245.20.251	PTR	mail.odysseahotels.com
210.245.20.251	PTR	mail.odyssea.vn