Robtex

Up: 66.253.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.253.36.0/25
Down right: 66.253.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.253.36.0	PTR	dsl253-036-000.chi1.dsl.speakeasy.net
66.253.36.16	A+PTR	mail.nari.org
66.253.36.16	A	dsl253-036-016.chi1.dsl.speakeasy.net
66.253.36.17	PTR	ahab.flyoverblues.com
66.253.36.21	A+PTR	mail.thematthews.org
66.253.36.21	A	*.thematthews.org
66.253.36.21	A	apptest.thematthews.org
66.253.36.25	A	n1.starats.net
66.253.36.25	A	ns1.starats.net
66.253.36.25	A	ns2.starats.net
66.253.36.29	A	audixnet.com
66.253.36.38	PTR	dsl253-036-038.chi1.dsl.speakeasy.net
66.253.36.38	A	mail.tiburcio.net
66.253.36.38	A	tiburcio.info
66.253.36.46	A+PTR	dsl253-036-046.chi1.dsl.speakeasy.net
66.253.36.76	PTR	mail.nimitzbrood.com
66.253.36.76	A	ns1.handmadethings.com
66.253.36.91	A	thursday.org
66.253.36.100	PTR	dsl253-036-100.chi1.dsl.speakeasy.net
66.253.36.100	A	www.flyingtime.com
66.253.36.100	A	flyingtime.com
66.253.36.146	A	ns2.handmadethings.com
66.253.36.156	A	dsl253-036-156.chi1.dsl.speakeasy.net
66.253.36.161	PTR	dsl253-036-161.chi1.dsl.speakeasy.net
66.253.36.161	A	*.kempfgallery.com
66.253.36.161	A	mystiquemassage.com
66.253.36.182	A+PTR	ups.maddockdouglas.com
66.253.36.183	PTR	dsl253-036-183.chi1.dsl.speakeasy.net
66.253.36.183	A	ns1.mackenziegems.com
66.253.36.183	A	vitalflamecoaching.com