Robtex

Up: 108.160.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 108.160.172.0/23
Down right: 108.160.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
108.160.172.1	A	dl-client94.dropbox.com
108.160.172.1	A	s022666.com
108.160.172.1	A	dl-client17.dropbox.com
108.160.172.4	A	block-api-sjc.dropbox-dns.com
108.160.172.5	A	gslb-dl.dropboxusercontent.com
108.160.172.65	A	dl-client86.dropbox.com
108.160.172.65	A	dl-client23.dropbox.com
108.160.172.65	A	dl-client66.dropbox.com
108.160.172.68	A	edge-block-api.dropbox-dns.com
108.160.172.193	PTR	d.v.dropbox.com
108.160.172.193	A	v-d.sjc.dropbox.com
108.160.172.193	A	api-d.dropbox.com
108.160.172.194	PTR	eventbus.v.dropbox.com
108.160.172.195	PTR	getdropbox.v.dropbox.com
108.160.172.195	A	forums.getdropbox.com
108.160.172.195	A	www.getdropbox.com
108.160.172.199	A+PTR	internal.v.dropbox.com
108.160.172.199	A	analytics.dropbox.com
108.160.172.200	A+PTR	misc.v.dropbox.com
108.160.172.200	A	4123c.com
108.160.172.200	A	xdropbox.com
108.160.172.201	PTR	static.v.dropbox.com
108.160.172.202	PTR	rpc.v.dropbox.com
108.160.172.204	PTR	client.v.dropbox.com
108.160.172.204	A	yyy9702.com
108.160.172.204	A	client38.dropbox.com
108.160.172.205	PTR	api.v.dropbox.com
108.160.172.206	PTR	www.v.dropbox.com
108.160.172.207	PTR	photos-www.v.dropbox.com
108.160.172.208	A+PTR	experiment.v.dropbox.com
108.160.172.208	A	www.cp8345.com
108.160.172.208	A	sf123.org
108.160.172.225	PTR	d.v.dropbox.com
108.160.172.225	A	v-d.sjc.dropbox.com
108.160.172.225	A	api-d.dropbox.com
108.160.172.226	PTR	eventbus.v.dropbox.com
108.160.172.227	PTR	getdropbox.v.dropbox.com
108.160.172.227	A	forums.getdropbox.com
108.160.172.227	A	www.getdropbox.com
108.160.172.231	A+PTR	internal.v.dropbox.com
108.160.172.231	A	analytics.dropbox.com
108.160.172.232	A+PTR	misc.v.dropbox.com
108.160.172.232	A	dropboxpartners.dropbox.com
108.160.172.232	A	www.vpnwaimao.com
108.160.172.233	PTR	static.v.dropbox.com
108.160.172.236	PTR	client.v.dropbox.com
108.160.172.236	A	client38.dropbox.com
108.160.172.236	A	client22.dropbox.com
108.160.172.237	PTR	api.v.dropbox.com
108.160.172.238	PTR	www.v.dropbox.com
108.160.172.239	PTR	photos-www.v.dropbox.com
108.160.172.240	A+PTR	experiment.v.dropbox.com
108.160.172.240	A	lh023c.com
108.160.172.240	A	safacebook.com
108.160.173.1	A	dl-client33.dropbox.com
108.160.173.1	A	block-iad.dropbox-dns.com
108.160.173.1	A	dl-client96.dropbox.com
108.160.173.5	A	gslb-dl.dropboxusercontent.com
108.160.173.6	A	block-misc-iad.v.dropbox.com
108.160.173.65	A	block.v.dropbox.com
108.160.173.65	A	dl-client8.dropbox.com
108.160.173.65	A	dl-client80.dropbox.com
108.160.173.69	A	btbt.org.cn
108.160.173.69	A	conversehightops.homeunix.net.cn
108.160.173.69	A	*.wujie.net
108.160.173.70	A	block-misc-iad.v.dropbox.com
108.160.173.130	A	dl-client8.dropbox.com
108.160.173.133	A	gslb-dl.dropboxusercontent.com
108.160.173.133	A	block-www-iad.dropbox-dns.com
108.160.173.133	A	showbox.dropbox.com
108.160.173.162	A	dl-client86.dropbox.com
108.160.173.162	A	dl-client123.dropbox.com
108.160.173.162	A	dl-client55.dropbox.com
108.160.173.164	A	edge-block-api-fallback.dropbox-dns.com
108.160.173.207	PTR	www.v.dropbox.com
108.160.173.207	A	ns4.ssv4.net
108.160.173.207	A	xn--9kq39imuiune023c.com