Robtex

Up: 138.19.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 138.19.160.0/20
Down right: 138.19.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.19.161.27	A+PTR	138019161027.ctinets.com
138.19.161.59	A+PTR	138019161059.ctinets.com
138.19.161.112	A+PTR	138019161112.ctinets.com
138.19.161.112	A	leelokyee.com
138.19.161.112	A	withoutfear.info
138.19.162.28	PTR	138019162028.ctinets.com
138.19.162.28	A	mail.cloudmedia.hk
138.19.162.28	A	mail.hkcube.com
138.19.162.50	A+PTR	138019162050.ctinets.com
138.19.162.56	A+PTR	138019162056.ctinets.com
138.19.162.58	A+PTR	138019162058.ctinets.com
138.19.162.76	PTR	138019162076.ctinets.com
138.19.162.76	A	cloudmedia.hk
138.19.162.76	A	ns1.cloudfit.hk
138.19.162.88	PTR	138019162088.ctinets.com
138.19.162.145	A+PTR	138019162145.ctinets.com
138.19.162.151	A+PTR	138019162151.ctinets.com
138.19.163.50	A+PTR	138019163050.ctinets.com
138.19.163.50	A	bbchungchung.com
138.19.164.135	A+PTR	138019164135.ctinets.com
138.19.164.235	A+PTR	138019164235.ctinets.com
138.19.164.235	A	gweilo.hk
138.19.165.107	A+PTR	138019165107.ctinets.com
138.19.165.107	A	hkxtalker.com
138.19.166.249	A+PTR	138019166249.ctinets.com
138.19.167.7	A+PTR	138019167007.ctinets.com
138.19.168.168	A+PTR	138019168168.ctinets.com
138.19.169.72	A	138019169072.ctinets.com
138.19.169.150	A+PTR	138019169150.ctinets.com
138.19.173.54	A+PTR	138019173054.ctinets.com
138.19.173.54	A	hmtbc.hopto.org
138.19.173.54	A	domdom.hopto.org
138.19.174.217	A+PTR	138019174217.ctinets.com
138.19.175.70	A+PTR	138019175070.ctinets.com
138.19.175.193	A+PTR	138019175193.ctinets.com
138.19.175.193	A	muimui.biz
138.19.176.107	A+PTR	138019176107.ctinets.com
138.19.177.45	A+PTR	138019177045.ctinets.com
138.19.177.45	A	www.anti-x.org
138.19.177.45	A	anti-x.org
138.19.177.229	A	138019177229.ctinets.com
138.19.178.152	A+PTR	138019178152.ctinets.com
138.19.178.152	A	bitillusion.co
138.19.179.230	A+PTR	138019179230.ctinets.com
138.19.179.230	A	ecotreetop.com
138.19.180.65	A+PTR	138019180065.ctinets.com
138.19.180.65	A	isfunny.org
138.19.180.154	A+PTR	138019180154.ctinets.com
138.19.180.154	A	appndy.com
138.19.180.249	A+PTR	138019180249.ctinets.com
138.19.181.127	PTR	138019181127.ctinets.com
138.19.181.138	A+PTR	138019181138.ctinets.com
138.19.183.51	A+PTR	138019183051.ctinets.com
138.19.183.51	A	kelvintsui.com
138.19.183.88	A+PTR	138019183088.ctinets.com
138.19.184.142	A+PTR	138019184142.ctinets.com
138.19.185.127	A+PTR	138019185127.ctinets.com
138.19.187.141	A+PTR	138019187141.ctinets.com
138.19.187.176	A+PTR	138019187176.ctinets.com
138.19.187.176	A	hkbn3.myssrsky.com
138.19.188.155	A+PTR	138019188155.ctinets.com
138.19.188.155	A	ahdee.com