Robtex

Up: 208.56.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.56.17.0/25
Down right: 208.56.17.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.56.17.7	PTR	crecer.org.gt
208.56.17.39	PTR	abi.gr
208.56.17.51	A	ns2.webnetcommerce.com
208.56.17.53	PTR	208-56-17-53.navisite.net
208.56.17.78	PTR	208-56-17-78.navisite.net
208.56.17.97	A+PTR	ns.sitexpress.biz
208.56.17.97	A	mail.ns.sitexpress.biz
208.56.17.141	PTR	colonialdowns.com
208.56.17.169	PTR	fbcminco.org
208.56.17.204	PTR	hatchcreek.com
208.56.17.220	A	mail.kingsvilleheritage.ca
208.56.17.221	PTR	knsp.com
208.56.17.221	A	mail.knsp.com
208.56.17.221	A	mail.flixpro.com
208.56.17.222	PTR	mrsmcelwee.com
208.56.17.222	A	mail.mrsmcelwee.com
208.56.17.223	A+PTR	coastguard.org
208.56.17.223	A	www.coastguard.org
208.56.17.223	A	coastiekids.com
208.56.17.225	PTR	christianchatrooms.com
208.56.17.225	A	christian-chat-rooms.com
208.56.17.225	A	mail.churchchatusa.com
208.56.17.236	PTR	208-56-17-236.navisite.net
208.56.17.238	PTR	rimvalley.com
208.56.17.240	PTR	partells.com