Robtex

Up: 112.120.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 112.120.80.0/23
Down right: 112.120.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
112.120.80.22	A	n11212080022.netvigator.com
112.120.80.23	A+PTR	n11212080023.netvigator.com
112.120.80.32	A+PTR	n11212080032.netvigator.com
112.120.80.32	A	starphotohk.com
112.120.80.32	A	www.starphotohk.com
112.120.80.47	A+PTR	n11212080047.netvigator.com
112.120.80.49	A+PTR	n11212080049.netvigator.com
112.120.80.50	A+PTR	n11212080050.netvigator.com
112.120.80.73	A+PTR	n11212080073.netvigator.com
112.120.80.73	A	kengtin.com
112.120.80.76	PTR	n11212080076.netvigator.com
112.120.80.76	A	mail.vc-house.com
112.120.80.76	A	vc-house.com
112.120.80.121	A	n11212080121.netvigator.com
112.120.80.132	PTR	mailx.charltonslaw.com
112.120.80.132	A	hongkongsponsors.com
112.120.80.132	A	charltonsmyanmar.com
112.120.80.145	A	n11212080145.netvigator.com
112.120.80.148	A+PTR	n11212080148.netvigator.com
112.120.80.158	A+PTR	n11212080158.netvigator.com
112.120.80.158	A	cp-institute.com
112.120.80.161	PTR	n11212080161.netvigator.com
112.120.80.161	A	khsec.com
112.120.80.221	A	n11212080221.netvigator.com
112.120.80.225	A+PTR	n11212080225.netvigator.com
112.120.80.225	A	mail.dongguan-prosperity.com
112.120.81.1	A	guhkg.com
112.120.81.5	A	smtp.qortix.com
112.120.81.5	A	qortix.com
112.120.81.29	A+PTR	n11212081029.netvigator.com
112.120.81.39	A	mail.newtech-hk.com.hk
112.120.81.40	PTR	mail.grandford.com.hk
112.120.81.107	PTR	n11212081107.netvigator.com
112.120.81.107	A	mail.capi-hk.com
112.120.81.173	A+PTR	n11212081173.netvigator.com
112.120.81.184	PTR	mx2.consol-szx.com
112.120.81.184	A	mx.consol-hk.com
112.120.81.184	A	pc003.consol-hk.com
112.120.81.204	A	santasbest.com.hk
112.120.81.204	A	smtp2.santasbest.com.hk
112.120.81.208	A+PTR	n11212081208.netvigator.com
112.120.81.208	A	sherfe.com.hk
112.120.81.208	A	ns2.alfred.idv.hk
112.120.81.213	A+PTR	n11212081213.netvigator.com
112.120.81.213	PTR	thedr.hk
112.120.81.213	A	topgold24.com
112.120.81.228	A+PTR	n11212081228.netvigator.com
112.120.81.228	A	mail1.bvrrw.com
112.120.81.231	A	n11212081231.netvigator.com
112.120.81.239	A+PTR	n11212081239.netvigator.com
112.120.82.1	PTR	n11212082001.netvigator.com
112.120.82.12	A+PTR	n11212082012.netvigator.com
112.120.82.16	A+PTR	n11212082016.netvigator.com
112.120.82.18	PTR	n11212082018.netvigator.com
112.120.82.120	A	chengwaihok.com
112.120.82.121	PTR	n11212082121.netvigator.com
112.120.82.121	A	backup2.memore.net
112.120.82.121	A	mail.memore.net
112.120.82.134	A+PTR	n11212082134.netvigator.com
112.120.82.134	A	mcgroup.com.hk
112.120.82.134	A	mail.mcgroup.com.hk
112.120.82.135	A	jewel.myphotos.cc
112.120.82.142	A	beriahk.myds.me
112.120.82.142	A	www.beriahk.myds.me
112.120.82.160	A	n11212082160.netvigator.com
112.120.82.184	A+PTR	n11212082184.netvigator.com
112.120.82.190	PTR	n11212082190.netvigator.com
112.120.82.190	A	mail.tolambigsales.com
112.120.82.190	A	mail.hangfunghdc.com
112.120.82.233	A+PTR	n11212082233.netvigator.com
112.120.83.51	A+PTR	n11212083051.netvigator.com
112.120.83.101	A	deihk.com
112.120.83.130	A+PTR	n11212083130.netvigator.com
112.120.83.153	A+PTR	n11212083153.netvigator.com
112.120.83.245	A	beijing2shanghai.com
112.120.83.250	A+PTR	n11212083250.netvigator.com
112.120.83.250	A	mail.superichibanya.com