Robtex

Up: 210.0.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.0.204.0/23
Down right: 210.0.206.0/23

IP	Type	Hostname
210.0.204.3	A	skhlsk.edu.hk
210.0.204.51	A	www.cdgfss.edu.hk
210.0.204.51	A	cdgfss.edu.hk
210.0.204.98	A	cytss.edu.hk
210.0.204.98	A	www.cytss.edu.hk
210.0.204.138	A	faisir.com
210.0.204.141	A	hkmlc-mtps.edu.hk
210.0.204.174	A	openwebmail.tkogss.edu.hk
210.0.204.179	PTR	library.ychcisps.edu.hk
210.0.204.179	PTR	www.ychcisps.edu.hk
210.0.204.181	A	365.ychcisps.edu.hk
210.0.204.186	A	mail.ychcisps.edu.hk
210.0.204.187	A	intranet.ychcisps.edu.hk
210.0.204.210	A	www.plkwws.edu.hk
210.0.204.230	A	mail.wyjjmps.edu.hk
210.0.205.77	A	chiusir.com
210.0.205.200	A	kcmc.edu.hk
210.0.205.200	A	www.kcmc.edu.hk
210.0.205.202	A	mail.kcmc.edu.hk
210.0.205.213	A	sbasmail.hkeaa.edu.hk
210.0.205.218	A	epo.hkeaa.edu.hk
210.0.205.218	A	mail.epo.hkeaa.edu.hk
210.0.205.220	PTR	mx1.hkeaa.edu.hk
210.0.205.220	A	sbas.hkeaa.edu.hk
210.0.205.221	A	mms1.hkeaa.edu.hk
210.0.205.222	PTR	smtp.hkeaa.edu.hk
210.0.205.222	A	smtp.hkea.edu.hk
210.0.205.222	A	antispam1.hkea.edu.hk
210.0.205.227	A+PTR	ns1.hkeaa.edu.hk
210.0.205.227	A	ns1.hkea.edu.hk
210.0.205.231	A	www1.hkeaa.edu.hk
210.0.205.236	PTR	mms1.hkeaa.edu.hk
210.0.205.236	A	sc.hkeaa.edu.hk
210.0.205.237	PTR	antispam1.hkeaa.edu.hk
210.0.205.237	A	hkea.edu.hk
210.0.205.237	A	hkeaa.edu.hk
210.0.206.64	A	ns1.wtg.com.hk
210.0.207.93	A	eclass.cpc.edu.hk
210.0.207.95	A	cpcns1.no-ip.org
210.0.207.96	A	cpcns2.no-ip.org
210.0.207.162	A	home.hksrl.edu.hk
210.0.207.196	A	mail.plkctslps.edu.hk
210.0.207.215	A	tiaccwhf.net
210.0.207.215	A	www.tiaccwhf.net
210.0.207.226	A+PTR	eclass.syhps.edu.hk
210.0.207.235	PTR	www.syhps.edu.hk
210.0.207.235	A	syhps.edu.hk