Robtex

Up: 119.246.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 119.246.68.0/23
Down right: 119.246.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
119.246.68.20	A+PTR	119246068020.ctinets.com
119.246.68.32	A+PTR	119246068032.ctinets.com
119.246.68.100	A	119246068100.ctinets.com
119.246.69.16	A+PTR	119246069016.ctinets.com
119.246.69.38	A	119246069038.ctinets.com
119.246.69.51	A+PTR	119246069051.ctinets.com
119.246.69.62	A	smtp1.william.com.hk
119.246.69.62	A	ns1.tzechoi.com
119.246.69.62	A	smtp1.grace.com.hk
119.246.69.97	A+PTR	119246069097.ctinets.com
119.246.69.109	A+PTR	119246069109.ctinets.com
119.246.69.110	A+PTR	119246069110.ctinets.com
119.246.69.126	A+PTR	119246069126.ctinets.com
119.246.69.164	A	119246069164.ctinets.com
119.246.69.171	A+PTR	119246069171.ctinets.com
119.246.69.174	A+PTR	119246069174.ctinets.com
119.246.69.176	A+PTR	119246069176.ctinets.com
119.246.69.177	A+PTR	119246069177.ctinets.com
119.246.69.181	A+PTR	119246069181.ctinets.com
119.246.69.191	A+PTR	119246069191.ctinets.com
119.246.69.197	A	119246069197.ctinets.com
119.246.69.226	A	119246069226.ctinets.com
119.246.70.28	A	119246070028.ctinets.com
119.246.70.36	A	119246070036.ctinets.com
119.246.70.54	A+PTR	119246070054.ctinets.com
119.246.70.65	A+PTR	119246070065.ctinets.com
119.246.70.87	A	119246070087.ctinets.com
119.246.70.132	A	119246070132.ctinets.com
119.246.70.142	A	119246070142.ctinets.com
119.246.70.212	A	mail.grace.hk
119.246.70.213	A+PTR	119246070213.ctinets.com
119.246.71.51	A+PTR	119246071051.ctinets.com
119.246.71.51	A	akt-hk.com
119.246.71.51	A	mail3.akt-hk.com
119.246.71.52	A	ns1.tzechoi.com
119.246.71.52	A	tzechoi.dyndns.org
119.246.71.52	A	119246071052.ctinets.com
119.246.71.95	A+PTR	119246071095.ctinets.com
119.246.71.165	A+PTR	119246071165.ctinets.com