Robtex

Up: 216.71.74.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.71.75.0/25
Down right: 216.71.75.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.71.75.3	A	eastmanworld.com
216.71.75.3	A	mail.eastmanworld.com
216.71.75.20	PTR	offshorewebhosting.asia
216.71.75.20	PTR	adamsgolf.cn
216.71.75.20	PTR	peoplesware.com
216.71.75.21	PTR	aiahk.org
216.71.75.36	A	cajuncafeonthebayou.olm.net
216.71.75.78	A	mail.aspireassetmanagement.com
216.71.75.117	PTR	keystonbros.com
216.71.75.148	PTR	greekthings.com
216.71.75.152	A+PTR	importleads.com
216.71.75.152	A	mail.importleads.com
216.71.75.152	A	www.importleads.com
216.71.75.170	PTR	awakeneddesign.com
216.71.75.188	PTR	irishnation.com
216.71.75.212	A	temps.ie
216.71.75.212	A	mail.temps.ie
216.71.75.223	A	jrphotography.com
216.71.75.223	A	mail.jrphotography.com