Robtex

Up: 210.6.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.6.20.0/23
Down right: 210.6.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.6.20.4	A	210006020004.ctinets.com
210.6.20.85	A	210006020085.ctinets.com
210.6.20.98	A	210006020098.ctinets.com
210.6.20.115	A+PTR	210006020115.ctinets.com
210.6.20.134	A	210006020134.ctinets.com
210.6.20.160	A	210006020160.ctinets.com
210.6.20.179	A	210006020179.ctinets.com
210.6.20.185	A+PTR	210006020185.ctinets.com
210.6.20.188	A	victsang.com
210.6.20.215	A	210006020215.ctinets.com
210.6.20.248	A	210006020248.ctinets.com
210.6.21.20	A	wingpage.net
210.6.21.45	A+PTR	210006021045.ctinets.com
210.6.21.45	A	hongkonghot.com
210.6.21.45	A	insertdelete.com
210.6.21.77	A	210006021077.ctinets.com
210.6.21.109	A	210006021109.ctinets.com
210.6.21.110	A+PTR	210006021110.ctinets.com
210.6.21.161	A	210006021161.ctinets.com
210.6.21.214	A	210006021214.ctinets.com
210.6.22.13	A	h212n.com
210.6.22.15	A	210006022015.ctinets.com
210.6.22.66	A	210006022066.ctinets.com
210.6.22.105	A	mycloud-2.synology.me
210.6.22.105	A	www.mycloud-2.synology.me
210.6.22.110	A	210006022110.ctinets.com
210.6.22.119	A	210006022119.ctinets.com
210.6.22.121	PTR	210006022121.ctinets.com
210.6.22.121	A	hkgunique.com
210.6.22.122	A	210006022122.ctinets.com
210.6.22.150	A	210006022150.ctinets.com
210.6.22.249	A+PTR	210006022249.ctinets.com
210.6.23.2	A	210006023002.ctinets.com
210.6.23.40	A+PTR	210006023040.ctinets.com
210.6.23.41	A	210006023041.ctinets.com
210.6.23.61	A	210006023061.ctinets.com
210.6.23.136	A+PTR	210006023136.ctinets.com
210.6.23.136	A	hkbndeal.com
210.6.23.136	A	coverage.hkbn.net
210.6.23.141	PTR	210006023141.ctinets.com
210.6.23.141	A	social.hkbn.net
210.6.23.141	A	traveldata.hkbn.net
210.6.23.148	PTR	210006023148.ctinets.com
210.6.23.148	A	hkbnuat.net
210.6.23.151	PTR	210006023151.ctinets.com
210.6.23.151	A	community.hkbn.net
210.6.23.168	PTR	210006023168.ctinets.com
210.6.23.168	A	hkbn-service.com
210.6.23.168	A	hkbnes.net
210.6.23.169	PTR	210006023169.ctinets.com
210.6.23.172	A	es-online.hkbn.net
210.6.23.172	A	idd1666.hkbn.net
210.6.23.173	PTR	210006023173.ctinets.com
210.6.23.173	A	apply.hkbn.net
210.6.23.176	A+PTR	210006023176.ctinets.com
210.6.23.176	A	images.hkbn.net
210.6.23.193	A+PTR	210006023193.ctinets.com
210.6.23.205	A	mail.itsa.hkbn365.com
210.6.23.205	A	hkbn365.com
210.6.23.219	A	210006023219.ctinets.com
210.6.23.247	PTR	210006023247.ctinets.com
210.6.23.250	A	chatfile.hkbn.net
210.6.23.251	PTR	210006023251.ctinets.com
210.6.23.251	A	renew.hkbn.net
210.6.23.252	A	livechat.hkbn.net