Robtex

Up: 199.182.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.182.176.0/23
Down right: 199.182.178.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.182.176.27	A+PTR	ns1.hightail.net
199.182.176.27	A	ns1.hightail.com
199.182.176.28	A+PTR	ns2.hightail.net
199.182.176.29	A	ns1.yousendit.com
199.182.176.30	PTR	ns1.hightail.net
199.182.176.30	A	ns1.hightail.com
199.182.176.30	A	ns1.yousendit.com
199.182.176.91	A+PTR	ns1.hightaildns.com
199.182.176.92	A+PTR	ns2.hightaildns.com
199.182.176.110	PTR	www.us1.hightail.net
199.182.176.121	A	v2php.us1.yousendit.net
199.182.176.123	A	ypi.yousendit.com
199.182.176.131	PTR	hsa-1.us1.hightail.com
199.182.176.225	A+PTR	bouncer.us1.hightail.net
199.182.176.226	PTR	bouncer.us1.yousendit.net
199.182.176.226	A	*.yousendit.net
199.182.176.226	A	d62.yousendit.com
199.182.176.230	A+PTR	www.us1.yousendit.net
199.182.176.230	A	facebook.yousendit.com
199.182.176.230	A	beta.yousendit.com
199.182.176.231	PTR	web.us1.hightail.net
199.182.176.232	PTR	web.us1.yousendit.net
199.182.176.232	A	web.yousendit.com
199.182.176.232	A	dropbox.yousendit.com
199.182.176.235	A	images.yousendit.com
199.182.176.241	A+PTR	hsa-1.us1.hightail.net
199.182.176.241	A	store.hightail.com
199.182.176.242	PTR	hsa-2.us1.hightail.net
199.182.176.242	A	store.hightail.com
199.182.176.242	A	fetch.hightail.com
199.182.179.20	A	access.hightail.com
199.182.179.21	A	access.hightail.com
199.182.179.21	A	access.yousendit.com
199.182.179.21	A	access1.hightail.com
199.182.179.45	A+PTR	smtp20.yousendit.com
199.182.179.46	A	smtp20.hightail.com
199.182.179.54	A	ns4.hightail.net