Robtex

Up: 72.1.162.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.1.162.0/25
Down right: 72.1.162.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.1.162.1	PTR	dsl001-162-001.chi1.dsl.speakeasy.net
72.1.162.15	A+PTR	dsl001-162-015.chi1.dsl.speakeasy.net
72.1.162.17	PTR	dsl001-162-017.chi1.dsl.speakeasy.net
72.1.162.18	A+PTR	dsl001-162-018.chi1.dsl.speakeasy.net
72.1.162.19	A+PTR	dsl001-162-019.chi1.dsl.speakeasy.net
72.1.162.20	A+PTR	dsl001-162-020.chi1.dsl.speakeasy.net
72.1.162.22	A+PTR	dsl001-162-022.chi1.dsl.speakeasy.net
72.1.162.31	A+PTR	dsl001-162-031.chi1.dsl.speakeasy.net
72.1.162.40	A+PTR	dsl001-162-040.chi1.dsl.speakeasy.net
72.1.162.41	A+PTR	dsl001-162-041.chi1.dsl.speakeasy.net
72.1.162.44	A+PTR	dsl001-162-044.chi1.dsl.speakeasy.net
72.1.162.47	PTR	dsl001-162-047.chi1.dsl.speakeasy.net
72.1.162.48	PTR	dsl001-162-048.chi1.dsl.speakeasy.net
72.1.162.54	A+PTR	dsl001-162-054.chi1.dsl.speakeasy.net
72.1.162.60	A+PTR	dsl001-162-060.chi1.dsl.speakeasy.net
72.1.162.76	A+PTR	dsl001-162-076.chi1.dsl.speakeasy.net
72.1.162.80	A+PTR	dsl001-162-080.chi1.dsl.speakeasy.net
72.1.162.91	A+PTR	dsl001-162-091.chi1.dsl.speakeasy.net
72.1.162.92	PTR	dsl001-162-092.chi1.dsl.speakeasy.net
72.1.162.102	A+PTR	dsl001-162-102.chi1.dsl.speakeasy.net
72.1.162.114	A+PTR	dsl001-162-114.chi1.dsl.speakeasy.net
72.1.162.125	A+PTR	dsl001-162-125.chi1.dsl.speakeasy.net
72.1.162.145	A+PTR	dsl001-162-145.chi1.dsl.speakeasy.net
72.1.162.152	A+PTR	dsl001-162-152.chi1.dsl.speakeasy.net
72.1.162.157	A+PTR	dsl001-162-157.chi1.dsl.speakeasy.net
72.1.162.165	A+PTR	dsl001-162-165.chi1.dsl.speakeasy.net
72.1.162.183	A+PTR	dsl001-162-183.chi1.dsl.speakeasy.net
72.1.162.191	A+PTR	dsl001-162-191.chi1.dsl.speakeasy.net
72.1.162.192	PTR	dsl001-162-192.chi1.dsl.speakeasy.net
72.1.162.195	A+PTR	dsl001-162-195.chi1.dsl.speakeasy.net
72.1.162.196	PTR	dsl001-162-196.chi1.dsl.speakeasy.net
72.1.162.196	A	medsphere-corp.com
72.1.162.196	A	ob-gyne.com
72.1.162.199	PTR	dsl001-162-199.chi1.dsl.speakeasy.net
72.1.162.199	A	medsphere.tv
72.1.162.202	PTR	dsl001-162-202.chi1.dsl.speakeasy.net
72.1.162.202	A	medsphere.co
72.1.162.202	A	mail.medsphere.net
72.1.162.208	A+PTR	dsl001-162-208.chi1.dsl.speakeasy.net
72.1.162.222	A+PTR	dsl001-162-222.chi1.dsl.speakeasy.net
72.1.162.223	A+PTR	dsl001-162-223.chi1.dsl.speakeasy.net
72.1.162.236	A+PTR	dsl001-162-236.chi1.dsl.speakeasy.net
72.1.162.239	A+PTR	dsl001-162-239.chi1.dsl.speakeasy.net
72.1.162.242	A+PTR	dsl001-162-242.chi1.dsl.speakeasy.net
72.1.162.246	A+PTR	dsl001-162-246.chi1.dsl.speakeasy.net
72.1.162.254	A+PTR	dsl001-162-254.chi1.dsl.speakeasy.net