Robtex

Up: 210.6.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.6.232.0/23
Down right: 210.6.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.6.232.5	A	210006232005.ctinets.com
210.6.232.29	A+PTR	210006232029.ctinets.com
210.6.232.46	A	210006232046.ctinets.com
210.6.232.62	A	210006232062.ctinets.com
210.6.232.228	A	210006232228.ctinets.com
210.6.232.233	A	210006232233.ctinets.com
210.6.233.33	A+PTR	210006233033.ctinets.com
210.6.233.33	A	udshksupport.com
210.6.233.36	A+PTR	210006233036.ctinets.com
210.6.233.36	A	mail.bit-hk.com
210.6.233.36	A	hkctf.org
210.6.233.38	PTR	210006233038.ctinets.com
210.6.233.39	PTR	210006233039.ctinets.com
210.6.233.41	PTR	210006233041.ctinets.com
210.6.233.45	A	udshkdomain.com
210.6.233.45	A	mail.udshkdomain.com
210.6.233.63	A	210006233063.ctinets.com
210.6.233.67	A+PTR	210006233067.ctinets.com
210.6.233.67	A	dns.kompass8.com
210.6.233.71	A+PTR	210006233071.ctinets.com
210.6.233.79	A	210006233079.ctinets.com
210.6.233.80	A	210006233080.ctinets.com
210.6.233.82	A	210006233082.ctinets.com
210.6.233.97	A	polyugreen.com
210.6.233.100	A+PTR	210006233100.ctinets.com
210.6.233.117	PTR	210006233117.ctinets.com
210.6.233.117	A	gissysportaldba.com
210.6.233.119	A	gissysportaldbb.com
210.6.233.119	A	esrihkgisportal.com
210.6.233.120	A	gissystest.com
210.6.233.128	A	210006233128.ctinets.com
210.6.233.129	A+PTR	smtp.ranger.com.hk
210.6.233.130	A	www.ranger.com.hk
210.6.233.131	A	210006233131.ctinets.com
210.6.233.132	A	210006233132.ctinets.com
210.6.233.133	PTR	210006233133.ctinets.com
210.6.233.133	A	ranger.com.hk
210.6.233.143	A	210006233143.ctinets.com
210.6.233.144	A	210006233144.ctinets.com
210.6.233.145	A	hotelsgps.com
210.6.233.145	A	xn--wcst75avjt.com
210.6.233.148	A+PTR	210006233148.ctinets.com
210.6.233.148	A	ns5.inextech.com
210.6.233.152	A	210006233152.ctinets.com
210.6.233.153	A	apisehk.com
210.6.233.153	A	mail.apisehk.com
210.6.233.154	PTR	210006233154.ctinets.com
210.6.233.154	A	*.apisehk.com
210.6.233.156	A	210006233156.ctinets.com
210.6.233.166	A	210006233166.ctinets.com
210.6.233.176	A	210006233176.ctinets.com
210.6.233.185	A+PTR	210006233185.ctinets.com
210.6.233.185	A	www.luahk.com
210.6.233.185	A	luahk.com
210.6.234.19	A+PTR	210006234019.ctinets.com
210.6.234.71	A+PTR	210006234071.ctinets.com
210.6.234.212	A+PTR	210006234212.ctinets.com
210.6.235.71	A+PTR	210006235071.ctinets.com
210.6.235.108	A	210006235108.ctinets.com
210.6.235.156	A	210006235156.ctinets.com