Robtex

Up: 64.109.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.109.156.0/23
Down right: 64.109.158.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.109.156.129	PTR	adsl-64-109-156-129.dsl.sfldmi.ameritech.net
64.109.156.129	A	att.enduser.us
64.109.156.129	A	mail.enduser.us
64.109.156.135	A+PTR	adsl-64-109-156-135.dsl.sfldmi.ameritech.net
64.109.157.11	A+PTR	64-109-157-11.ded.ameritech.net
64.109.157.14	A+PTR	64-109-157-14.ded.ameritech.net
64.109.157.21	A	www.rapidkut.com
64.109.157.21	A	rapidkut.com
64.109.157.22	A	www.nntcorp.com
64.109.157.22	A	nntcorp.com
64.109.157.24	A+PTR	64-109-157-24.ded.ameritech.net
64.109.157.34	A+PTR	64-109-157-34.ded.ameritech.net
64.109.157.35	A+PTR	64-109-157-35.ded.ameritech.net
64.109.157.35	A	www.kmtool.com
64.109.157.35	A	kmtool.com
64.109.157.37	PTR	64-109-157-37.ded.ameritech.net
64.109.157.37	A	marshalltool.com
64.109.157.37	A	www.marshalltool.com
64.109.157.38	PTR	64-109-157-38.ded.ameritech.net
64.109.157.38	A	www.jonassupply.com
64.109.157.38	A	jonassupply.com
64.109.157.40	A	www.berkshireesupply.com
64.109.157.42	A+PTR	64-109-157-42.ded.ameritech.net
64.109.157.51	A+PTR	64-109-157-51.ded.ameritech.net
64.109.157.64	A+PTR	64-109-157-64.ded.ameritech.net
64.109.157.73	A+PTR	64-109-157-73.ded.ameritech.net
64.109.157.89	A+PTR	64-109-157-89.ded.ameritech.net
64.109.157.92	A+PTR	64-109-157-92.ded.ameritech.net
64.109.157.106	A+PTR	64-109-157-106.ded.ameritech.net
64.109.157.108	A+PTR	64-109-157-108.ded.ameritech.net
64.109.157.119	A+PTR	64-109-157-119.ded.ameritech.net