Robtex

Up: 210.3.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.3.220.0/23
Down right: 210.3.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.3.220.26	PTR	static-bbs-26-220-3-210-on-nets.com
210.3.220.26	A	ftp.colourtexap.com
210.3.220.26	A	www.colourtexap.com
210.3.220.34	PTR	static-bbs-34-220-3-210-on-nets.com
210.3.220.34	A	mail.hkp168.com
210.3.220.34	A	hkp168.com
210.3.220.46	A	mail.evercommercial.com
210.3.220.46	A	mail1.jibsen.com
210.3.220.46	A	mail1.evercommercial.com
210.3.220.94	PTR	static-bbs-94-220-3-210-on-nets.com
210.3.220.94	A	www.ert.org.hk
210.3.220.94	A	mass-group.com
210.3.220.122	PTR	static-bbs-122-220-3-210-on-nets.com
210.3.220.122	A	hkriver.com
210.3.221.14	PTR	static-bbs-14-221-3-210-on-nets.com
210.3.221.195	A	wan1.wtcapital.com.hk
210.3.221.195	A	wan1.imchk.hk
210.3.221.227	A+PTR	srv02.arcon-group.com
210.3.221.227	A	ns2.arcon-group.com
210.3.221.228	PTR	static-bbs-228-221-3-210-on-nets.com
210.3.221.228	A	spaceretails.com
210.3.221.228	A	spacecorpltd.com
210.3.223.50	PTR	static-bbs-50-223-3-210-on-nets.com
210.3.223.50	A	cpo.com.hk
210.3.223.50	A	mail.cpo.bz
210.3.223.98	PTR	mail.asiaone.com.hk
210.3.223.98	A	mail2.asiaone.com.hk