Robtex

Up: 200.66.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 200.66.32.0/21
Down right: 200.66.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.66.32.19	A+PTR	bsd.lag.megared.net.mx
200.66.32.19	A	umillennium.edu.mx
200.66.32.19	A	canal10laguna.com.mx
200.66.32.40	A	mailgw.torreon.megared.net.mx
200.66.32.121	A	lnmoodle.multispot.com.mx
200.66.32.150	A	mxsystems.net
200.66.32.218	A	videevide.com
200.66.32.254	A	www.itnnovation.net
200.66.33.51	PTR	customer-tor-33-51.megared.net.mx
200.66.33.64	PTR	customer-tor-33-64.megared.net.mx
200.66.33.67	PTR	customer-tor-33-67.megared.net.mx
200.66.33.112	PTR	customer-tor-33-112.megared.net.mx
200.66.33.144	PTR	customer-tor-33-144.megared.net.mx
200.66.33.145	PTR	customer-tor-33-145.megared.net.mx
200.66.33.195	PTR	customer-tor-33-195.megared.net.mx
200.66.33.208	PTR	customer-tor-33-208.megared.net.mx
200.66.34.2	PTR	customer-tor-34-2.megared.net.mx
200.66.34.22	PTR	customer-tor-34-22.megared.net.mx
200.66.34.22	A	mail.ingenieriaderedesvoip.com
200.66.34.36	A	theofficesite.com
200.66.34.58	PTR	customer-tor-34-58.megared.net.mx
200.66.34.59	PTR	customer-tor-34-59.megared.net.mx
200.66.34.59	A	servidor.sjuana.com.mx
200.66.34.80	PTR	customer-tor-34-80.megared.net.mx
200.66.34.80	A	expertospuntodeventa.com
200.66.34.109	PTR	customer-tor-34-109.megared.net.mx
200.66.34.109	A	portal-humanfirst.ddns.net
200.66.34.110	PTR	customer-tor-34-110.megared.net.mx
200.66.34.110	A	dns.hseo.com.mx
200.66.34.143	PTR	customer-tor-34-143.megared.net.mx
200.66.34.143	A	importika.dyndns.org
200.66.34.161	PTR	customer-tor-34-161.megared.net.mx
200.66.34.167	PTR	customer-tor-34-167.megared.net.mx
200.66.34.227	A	mail.laespanolacentrodeconvenciones.com
200.66.36.19	A+PTR	bsd.dgo.megared.net.mx
200.66.36.19	A	dgo.megared.net.mx
200.66.36.20	A+PTR	solaris.dgo.megared.net.mx
200.66.36.138	A	editorialmg.com
200.66.37.1	PTR	customer-dgo-37-1.megared.net.mx
200.66.37.33	PTR	customer-dgo-37-33.megared.net.mx
200.66.37.80	PTR	customer-dgo-37-80.megared.net.mx
200.66.37.81	A	editorialmg.com
200.66.37.82	PTR	customer-dgo-37-82.megared.net.mx
200.66.37.129	PTR	customer-dgo-37-129.megared.net.mx
200.66.37.146	PTR	customer-dgo-37-146.megared.net.mx
200.66.37.147	PTR	customer-dgo-37-147.megared.net.mx
200.66.37.160	PTR	customer-dgo-37-160.megared.net.mx
200.66.37.193	PTR	customer-dgo-37-193.megared.net.mx
200.66.37.210	PTR	customer-dgo-37-210.megared.net.mx
200.66.38.17	PTR	customer-dgo-38-17.megared.net.mx
200.66.38.34	PTR	customer-dgo-38-34.megared.net.mx
200.66.38.35	PTR	customer-dgo-38-35.megared.net.mx
200.66.38.64	PTR	customer-dgo-38-64.megared.net.mx
200.66.38.81	PTR	customer-dgo-38-81.megared.net.mx
200.66.38.82	PTR	customer-dgo-38-82.megared.net.mx
200.66.38.83	PTR	customer-dgo-38-83.megared.net.mx
200.66.38.96	PTR	customer-dgo-38-96.megared.net.mx
200.66.38.97	PTR	customer-dgo-38-97.megared.net.mx
200.66.38.99	PTR	customer-dgo-38-99.megared.net.mx
200.66.38.114	PTR	customer-dgo-38-114.megared.net.mx
200.66.38.161	PTR	customer-dgo-38-161.megared.net.mx
200.66.38.192	PTR	customer-dgo-38-192.megared.net.mx
200.66.38.224	PTR	customer-dgo-38-224.megared.net.mx
200.66.38.226	PTR	customer-dgo-38-226.megared.net.mx
200.66.38.241	PTR	customer-dgo-38-241.megared.net.mx
200.66.39.34	PTR	customer-dgo-39-34.megared.net.mx
200.66.39.34	A	dns0.itdurango.edu.mx
200.66.39.54	A	mail.oxiquimica.com.mx
200.66.39.112	PTR	customer-dgo-39-112.megared.net.mx
200.66.39.112	A	vitomexstgo.ddns.eagleeyes.tw
200.66.39.146	PTR	customer-dgo-39-146.megared.net.mx
200.66.39.146	A	es12121.no-ip.org
200.66.41.47	PTR	customer-nav-41-47.megared.net.mx
200.66.41.99	PTR	customer-nav-41-99.megared.net.mx
200.66.41.172	PTR	customer-nav-41-172.megared.net.mx
200.66.42.19	PTR	customer-nav-42-19.megared.net.mx
200.66.46.140	PTR	customer-gys-46-140.megared.net.mx