Robtex

Up: 209.41.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 209.41.72.0/25
Down right: 209.41.72.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.41.72.5	PTR	209-41-72-5.c7dc.com
209.41.72.8	A	mail.buypd.tv
209.41.72.9	A	mail2.buypd.tv
209.41.72.10	A	mx01.registrationconfirmed.com
209.41.72.12	A	freighttrack.net
209.41.72.15	A	mx01.veilcorp.com
209.41.72.16	A+PTR	mx02.supportfollowup.com
209.41.72.16	A	mx02.veilcorp.com
209.41.72.18	A	deans1on1webinars.com
209.41.72.21	PTR	209-41-72-21.c7dc.com
209.41.72.23	PTR	209-41-72-23.c7dc.com
209.41.72.24	PTR	209-41-72-24.c7dc.com
209.41.72.37	PTR	209-41-72-37.c7dc.com
209.41.72.40	PTR	209-41-72-40.c7dc.com
209.41.72.43	PTR	209-41-72-43.c7dc.com
209.41.72.45	PTR	209-41-72-45.c7dc.com
209.41.72.48	PTR	209-41-72-48.c7dc.com
209.41.72.56	PTR	209-41-72-56.c7dc.com
209.41.72.56	A	reegsuccess.com
209.41.72.56	A	flippingyourtown.com
209.41.72.57	A	propertyassociation.com
209.41.72.62	PTR	209-41-72-62.c7dc.com
209.41.72.63	PTR	209-41-72-63.c7dc.com
209.41.72.65	PTR	209-41-72-65.c7dc.com
209.41.72.67	PTR	209-41-72-67.c7dc.com
209.41.72.69	PTR	209-41-72-69.c7dc.com
209.41.72.69	A	propertytools.com
209.41.72.72	PTR	209-41-72-72.c7dc.com
209.41.72.82	PTR	209-41-72-82.c7dc.com
209.41.72.83	PTR	209-41-72-83.c7dc.com
209.41.72.89	PTR	209-41-72-89.c7dc.com
209.41.72.90	PTR	209-41-72-90.c7dc.com
209.41.72.96	PTR	209-41-72-96.c7dc.com
209.41.72.100	A	utahadco.com
209.41.72.101	PTR	209-41-72-101.c7dc.com
209.41.72.106	PTR	209-41-72-106.c7dc.com
209.41.72.108	PTR	209-41-72-108.c7dc.com
209.41.72.115	PTR	209-41-72-115.c7dc.com
209.41.72.120	PTR	llkse.preferplaza.com
209.41.72.123	PTR	209-41-72-123.c7dc.com
209.41.72.124	PTR	209-41-72-124.c7dc.com
209.41.72.127	A	yourrealestatetoday.com
209.41.72.131	PTR	209-41-72-131.c7dc.com
209.41.72.133	PTR	209-41-72-133.c7dc.com
209.41.72.134	PTR	209-41-72-134.c7dc.com
209.41.72.136	PTR	209-41-72-136.c7dc.com
209.41.72.136	A	dougclarkliveevent.com
209.41.72.137	A	mx01.dougclarkliveevent.com
209.41.72.147	PTR	209-41-72-147.c7dc.com
209.41.72.148	PTR	209-41-72-148.c7dc.com
209.41.72.149	PTR	209-41-72-149.c7dc.com
209.41.72.151	A	yanceypuppyevents.com
209.41.72.152	A	rentalgroupil.com
209.41.72.153	A	rentalgroupmo.com
209.41.72.154	A	rentalgroupmi.com
209.41.72.155	A	rentalgroupnv.com
209.41.72.156	A	rentergroups.com
209.41.72.157	PTR	5hd3.exclusiveaware.com
209.41.72.157	A	zemz.com
209.41.72.159	PTR	209-41-72-159.c7dc.com
209.41.72.160	A	timetoprofitfl.com
209.41.72.162	PTR	209-41-72-162.c7dc.com
209.41.72.177	PTR	209-41-72-177.c7dc.com
209.41.72.180	PTR	209-41-72-180.c7dc.com
209.41.72.181	PTR	209-41-72-181.c7dc.com
209.41.72.183	PTR	209-41-72-183.c7dc.com
209.41.72.195	PTR	209-41-72-195.c7dc.com
209.41.72.197	PTR	209-41-72-197.c7dc.com
209.41.72.199	PTR	209-41-72-199.c7dc.com
209.41.72.204	PTR	209-41-72-204.c7dc.com
209.41.72.207	PTR	209-41-72-207.c7dc.com
209.41.72.209	PTR	209-41-72-209.c7dc.com
209.41.72.210	PTR	lamattin.dashsurf.com
209.41.72.212	A	uspropertyevent.com.au
209.41.72.213	PTR	mx01.uspropertyevent.com.au
209.41.72.214	PTR	209-41-72-214.c7dc.com
209.41.72.219	PTR	209-41-72-219.c7dc.com
209.41.72.220	PTR	209-41-72-220.c7dc.com
209.41.72.224	PTR	209-41-72-224.c7dc.com
209.41.72.228	A	mx01.womensnightoutliveevent.com
209.41.72.235	PTR	209-41-72-235.c7dc.com
209.41.72.239	A	buyingsummitvideos.com
209.41.72.241	PTR	209-41-72-241.c7dc.com
209.41.72.252	A	mx01.realestateseminars.net
209.41.72.253	PTR	209-41-72-253.c7dc.com