Robtex

Up: 72.11.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.11.48.0/21
Down right: 72.11.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.11.48.107	PTR	72-11-48-107-dynamic.northstate.net
72.11.48.129	PTR	72-11-48-129-dynamic.northstate.net
72.11.48.129	A	athenapvp.tk
72.11.51.37	A	mail.domainb.biz
72.11.51.59	A	maxdinges.com
72.11.51.217	PTR	72-11-51-217-dynamic.northstate.net
72.11.52.33	PTR	72-11-52-33-dynamic.northstate.net
72.11.52.35	PTR	72-11-52-35-dynamic.northstate.net
72.11.52.50	PTR	72-11-52-50-dynamic.northstate.net
72.11.52.64	PTR	72-11-52-64-dynamic.northstate.net
72.11.52.65	PTR	72-11-52-65-dynamic.northstate.net
72.11.52.66	PTR	72-11-52-66-dynamic.northstate.net
72.11.52.80	PTR	72-11-52-80-dynamic.northstate.net
72.11.52.82	PTR	72-11-52-82-dynamic.northstate.net
72.11.52.83	PTR	72-11-52-83-dynamic.northstate.net
72.11.52.112	PTR	72-11-52-112-dynamic.northstate.net
72.11.52.114	PTR	72-11-52-114-dynamic.northstate.net
72.11.52.115	PTR	72-11-52-115-dynamic.northstate.net
72.11.52.128	PTR	72-11-52-128-dynamic.northstate.net
72.11.52.130	PTR	72-11-52-130-dynamic.northstate.net
72.11.52.144	PTR	72-11-52-144-dynamic.northstate.net
72.11.52.145	PTR	72-11-52-145-dynamic.northstate.net
72.11.52.146	PTR	72-11-52-146-dynamic.northstate.net
72.11.52.161	PTR	72-11-52-161-dynamic.northstate.net
72.11.52.163	PTR	72-11-52-163-dynamic.northstate.net
72.11.52.192	PTR	72-11-52-192-dynamic.northstate.net
72.11.52.194	PTR	72-11-52-194-dynamic.northstate.net
72.11.52.210	PTR	72-11-52-210-dynamic.northstate.net
72.11.52.211	PTR	72-11-52-211-dynamic.northstate.net
72.11.54.75	PTR	72-11-54-75-dynamic.northstate.net
72.11.54.147	PTR	72-11-54-147-dynamic.northstate.net
72.11.54.190	PTR	72-11-54-190-dynamic.northstate.net
72.11.54.190	A	greatworx.net
72.11.56.2	A+PTR	mail.highpointfibers.com
72.11.56.201	PTR	72-11-56-201-static.northstate.net
72.11.56.201	A	floppydongle.com
72.11.56.201	A	anixware.com
72.11.58.2	PTR	72-11-58-2-dynamic.northstate.net
72.11.58.18	PTR	72-11-58-18-dynamic.northstate.net
72.11.58.48	PTR	72-11-58-48-dynamic.northstate.net
72.11.58.50	PTR	72-11-58-50-dynamic.northstate.net
72.11.58.51	PTR	72-11-58-51-dynamic.northstate.net
72.11.58.65	PTR	72-11-58-65-dynamic.northstate.net
72.11.58.66	PTR	72-11-58-66-dynamic.northstate.net
72.11.58.96	PTR	72-11-58-96-dynamic.northstate.net
72.11.58.115	PTR	72-11-58-115-dynamic.northstate.net
72.11.58.131	PTR	72-11-58-131-dynamic.northstate.net
72.11.58.159	A	ryderstorm.net
72.11.58.179	PTR	72-11-58-179-dynamic.northstate.net
72.11.58.192	PTR	72-11-58-192-dynamic.northstate.net
72.11.58.209	PTR	72-11-58-209-dynamic.northstate.net
72.11.58.211	PTR	72-11-58-211-dynamic.northstate.net
72.11.58.224	PTR	72-11-58-224-dynamic.northstate.net
72.11.58.226	PTR	72-11-58-226-dynamic.northstate.net
72.11.58.227	PTR	72-11-58-227-dynamic.northstate.net
72.11.58.240	PTR	72-11-58-240-dynamic.northstate.net
72.11.59.48	PTR	72-11-59-48-dynamic.northstate.net
72.11.59.48	A	morrisjeffreys.com
72.11.59.138	PTR	72-11-59-138-dynamic.northstate.net
72.11.59.197	PTR	72-11-59-197-dynamic.northstate.net
72.11.60.2	A	mail.hislaboring.com
72.11.60.11	A	mail.bandcassociates.com
72.11.60.32	A	mail.yvfpi.com
72.11.60.71	A+PTR	mail.carsonsofhp.com
72.11.60.71	A	dns1.carsonsofhp.com
72.11.60.71	A	mail.carsonshospitality.com
72.11.60.93	A+PTR	mail.swatchcraft.com
72.11.60.93	A	mail.pineapplefabrics.com
72.11.60.107	A	teronusstudios.com
72.11.60.107	A	teronuspublishing.com
72.11.60.107	A	tagscollector.com
72.11.60.130	PTR	72-11-60-130-dynamic.northstate.net
72.11.60.156	PTR	72-11-60-156-dynamic.northstate.net
72.11.60.156	A	ns1.imwshosting.com
72.11.60.157	PTR	72-11-60-157-dynamic.northstate.net
72.11.60.157	A	adornedbylonnie.com
72.11.60.157	A	all-staterestaurantequipment.com
72.11.60.158	PTR	72-11-60-158-dynamic.northstate.net
72.11.60.159	PTR	72-11-60-159-dynamic.northstate.net
72.11.60.160	PTR	72-11-60-160-dynamic.northstate.net
72.11.60.160	A	orginsight.com
72.11.60.160	A	www.symphonicchronicles.com
72.11.60.161	PTR	72-11-60-161-dynamic.northstate.net
72.11.60.163	PTR	72-11-60-163-dynamic.northstate.net
72.11.60.168	PTR	72-11-60-168-dynamic.northstate.net
72.11.60.180	PTR	72-11-60-180-dynamic.northstate.net
72.11.60.180	A	mail.allisonandsons.com
72.11.60.180	A	allisonandsons.com
72.11.62.1	PTR	72-11-62-1-dynamic.northstate.net
72.11.62.2	PTR	72-11-62-2-dynamic.northstate.net
72.11.62.32	PTR	72-11-62-32-dynamic.northstate.net
72.11.62.66	PTR	72-11-62-66-dynamic.northstate.net
72.11.62.80	PTR	72-11-62-80-dynamic.northstate.net
72.11.62.98	PTR	72-11-62-98-dynamic.northstate.net
72.11.62.115	PTR	72-11-62-115-dynamic.northstate.net
72.11.62.131	PTR	72-11-62-131-dynamic.northstate.net
72.11.62.176	PTR	72-11-62-176-dynamic.northstate.net
72.11.62.178	PTR	72-11-62-178-dynamic.northstate.net
72.11.62.179	PTR	72-11-62-179-dynamic.northstate.net
72.11.62.208	PTR	72-11-62-208-dynamic.northstate.net
72.11.62.209	PTR	72-11-62-209-dynamic.northstate.net
72.11.62.242	PTR	72-11-62-242-dynamic.northstate.net
72.11.63.97	PTR	72-11-63-97-dynamic.northstate.net