Robtex

Up: 161.221.88.0/22
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Down left: 161.221.90.0/24
Down right: 161.221.91.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
161.221.90.27	A	fictionwise.com
161.221.90.27	A	www.ereader.com
161.221.90.27	A	ereader.com
161.221.90.32	A	iosapp.barnesandnoble.com
161.221.90.39	PTR	nookpress.com
161.221.90.39	A	nookpress.net
161.221.90.39	A	nookpress.pl
161.221.90.66	A+PTR	nook.com
161.221.90.66	A	www.nookapp.com
161.221.90.66	A	nookaudiobooks.com
161.221.90.74	A	print.nookpress.com
161.221.90.97	A	mynook.barnesandnoble.com
161.221.90.121	A+PTR	borders.com
161.221.90.121	A	search.borders.com
161.221.90.121	A	www.borders.com
161.221.90.151	A	mynook.barnesandnoble.com
161.221.90.153	A	share.nook.com
161.221.90.165	PTR	bnstore.com
161.221.90.165	A	mail.bnstore.com
161.221.90.165	A	*.bnstore.com
161.221.90.168	A	behindthepage.com
161.221.90.170	PTR	a.m.bn.com
161.221.90.170	A	m1.m.bn.com
161.221.90.170	A	m2.m.bn.com
161.221.90.171	PTR	b.m.bn.com
161.221.90.174	A	press.barnesandnoble.com
161.221.90.180	A+PTR	r180.m.bn.com
161.221.90.185	A	r185.m.bn.com
161.221.90.186	A	r186.m.bn.com
161.221.90.187	A+PTR	r187.m.bn.com
161.221.90.190	PTR	r190.m.bn.com
161.221.90.190	A	m.bn.com
161.221.90.191	A+PTR	r191.m.bn.com
161.221.90.192	A+PTR	r192.m.bn.com
161.221.90.193	PTR	r193.m.bn.com
161.221.90.194	A+PTR	r194.m.bn.com
161.221.90.200	A	bnreview.barnesandnoble.com
161.221.90.200	A	mb.sparknotes.com
161.221.90.200	A	search.sparknotes.com
161.221.90.202	A	cards.thespark.com
161.221.90.202	A	origin-community.sparknotes.com
161.221.90.202	A	cupid.thespark.com
161.221.90.204	A	pic.sparknotes.com
161.221.90.218	A+PTR	nookassets.com
161.221.90.218	A	www.nookassets.com
161.221.90.222	A	email.book.com
161.221.91.110	A	search2.barnesandnoble.com