Robtex

Up: 192.41.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.41.96.0/23
Down right: 192.41.98.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.41.96.0	PTR	192-41-96-0.c7dc.com
192.41.96.7	PTR	pub-192-41-96-7.center7.com
192.41.96.8	PTR	pub-192-41-96-8.center7.com
192.41.96.54	PTR	pub-192-41-96-54.center7.com
192.41.96.54	A	utahpowercu.org
192.41.96.63	PTR	192-41-96-63.c7dc.com
192.41.96.75	A	portal.c7dc.com
192.41.96.85	PTR	192-41-96-85.c7dc.com
192.41.96.85	A	lifevantage.com
192.41.96.85	A	lifevantage.com.mx
192.41.96.86	PTR	192-41-96-86.c7dc.com
192.41.96.147	PTR	192-41-96-147.c7dc.com
192.41.96.196	A	ensignsupport.com
192.41.96.212	PTR	pub-192-41-96-212.center7.com
192.41.97.15	A+PTR	propay.com
192.41.97.15	A	www.propay.com
192.41.97.17	PTR	192-41-97-17.c7dc.com
192.41.97.17	A	www.propay.ca
192.41.97.80	A+PTR	mail5.propay.com
192.41.97.81	PTR	192-41-97-81.c7dc.com
192.41.97.81	A	epay.propay.com
192.41.97.82	PTR	192-41-97-82.c7dc.com
192.41.97.82	A	propaycanada.ca
192.41.97.83	PTR	192-41-97-83.c7dc.com
192.41.97.83	A	www.propaypayments.com
192.41.97.88	A	propaypaymentnetwork.com
192.41.97.89	PTR	pub-192-41-97-89.center7.com
192.41.97.89	A	protectpay.propay.com
192.41.97.231	A	www.propay.ca
192.41.97.231	A	www.merchant-portals.com
192.41.98.1	PTR	192-41-98-1.c7dc.com
192.41.98.25	A	email.wgu.edu
192.41.98.27	A	wguapps3.wgu.edu
192.41.98.169	PTR	pub-192-41-98-169.center7.com
192.41.98.169	A	email.wgu.edu
192.41.98.175	PTR	pub-192-41-98-175.center7.com
192.41.98.175	A	mashery.wgu.edu
192.41.99.5	PTR	192-41-99-5.c7dc.com
192.41.99.5	A	casiresearchgroup.com
192.41.99.5	A	casiinquiries.com
192.41.99.18	A	mail.independence.edu
192.41.99.36	A	scholarshipapp.net
192.41.99.71	PTR	pub-192-41-99-71.center7.com
192.41.99.71	A	dns1.listfusion.net
192.41.99.71	A	dns1.mydatatree.com
192.41.99.72	PTR	pub-192-41-99-72.center7.com
192.41.99.72	A	dns2.listfusion.com
192.41.99.72	A	dns2.mydatatree.com
192.41.99.80	A	mail.leadsladder.com
192.41.99.80	A	mail.listfusion.net
192.41.99.80	A	mail.listfusion.com
192.41.99.138	PTR	192-41-99-138.c7dc.com
192.41.99.238	A	ns04.tuplemovers.net
192.41.99.249	PTR	pub-192-41-99-249.center7.com
192.41.99.249	A	ns2.tuplemovers.net
192.41.99.249	A	ns02.tuplemovers.net