Robtex

Up: 200.66.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 200.66.0.0/19
Down right: 200.66.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.66.0.0	PTR	customer-gys-0-0.megared.net.mx
200.66.0.128	PTR	customer-gys-0-128.megared.net.mx
200.66.1.1	PTR	customer-gys-1-1.megared.net.mx
200.66.2.2	PTR	customer-gys-2-2.megared.net.mx
200.66.5.2	PTR	customer-gys-5-2.megared.net.mx
200.66.8.2	PTR	customer-gys-8-2.megared.net.mx
200.66.8.92	PTR	customer-gys-8-92.megared.net.mx
200.66.9.130	PTR	customer-gys-9-130.megared.net.mx
200.66.12.81	A	scontent.fcen2-1.fna.fbcdn.net
200.66.12.82	A	video.fcen2-1.fna.fbcdn.net
200.66.12.94	A	sonar.fcen2-1.fna.fbcdn.net
200.66.12.97	A	instagram.fcen2-1.fna.fbcdn.net
200.66.13.1	PTR	customer-nav-13-1.megared.net.mx
200.66.13.2	PTR	customer-nav-13-2.megared.net.mx
200.66.13.3	PTR	customer-nav-13-3.megared.net.mx
200.66.13.67	PTR	customer-nav-13-67.megared.net.mx
200.66.14.131	PTR	customer-nav-14-131.megared.net.mx
200.66.16.0	PTR	customer-gys-16-0.megared.net.mx
200.66.17.5	PTR	customer-gys-17-5.megared.net.mx
200.66.17.15	PTR	customer-gys-17-15.megared.net.mx
200.66.17.134	PTR	customer-gys-17-134.megared.net.mx
200.66.17.137	PTR	customer-gys-17-137.megared.net.mx
200.66.18.2	PTR	customer-gys-18-2.megared.net.mx
200.66.18.3	PTR	customer-gys-18-3.megared.net.mx
200.66.18.66	PTR	customer-gys-18-66.megared.net.mx
200.66.18.67	PTR	customer-gys-18-67.megared.net.mx
200.66.18.195	PTR	customer-gys-18-195.megared.net.mx
200.66.20.128	PTR	customer-gys-20-128.megared.net.mx
200.66.23.132	PTR	customer-gys-23-132.megared.net.mx
200.66.24.192	PTR	customer-joju-24-192.megared.net.mx
200.66.24.194	PTR	customer-joju-24-194.megared.net.mx
200.66.26.2	PTR	customer-hmo-26-2.megared.net.mx
200.66.26.8	PTR	customer-hmo-26-8.megared.net.mx
200.66.26.14	PTR	customer-hmo-26-14.megared.net.mx
200.66.26.74	PTR	customer-hmo-26-74.megared.net.mx
200.66.26.74	A	strrefrigeracion.com.mx
200.66.26.74	A	rcrrefrigeracion.com
200.66.26.88	PTR	customer-hmo-26-88.megared.net.mx
200.66.26.117	A	mail.iaiver.com.mx
200.66.27.162	A	red-sinergia-mhgpjzrzgh.dynamic-m.com
200.66.27.164	A	www.rssoportevpn.com
200.66.27.164	A	rssoportevpn.com
200.66.30.2	PTR	customer-gys-30-2.megared.net.mx
200.66.30.115	PTR	customer-gys-30-115.megared.net.mx
200.66.32.19	A	umillennium.edu.mx
200.66.32.19	A	canal10laguna.com.mx
200.66.32.19	A	bsd.lag.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
200.66.33.64	PTR	customer-tor-33-64.megared.net.mx
200.66.33.67	PTR	customer-tor-33-67.megared.net.mx
200.66.33.195	PTR	customer-tor-33-195.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
200.66.34.59	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
200.66.37.81	A	editorialmg.com
200.66.37.129	PTR	customer-dgo-37-129.megared.net.mx
200.66.37.193	PTR	customer-dgo-37-193.megared.net.mx
200.66.38.64	PTR	customer-dgo-38-64.megared.net.mx
200.66.38.192	PTR	customer-dgo-38-192.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	A	vitomexstgo.ddns.eagleeyes.tw
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
200.66.46.140	PTR	customer-gys-46-140.megared.net.mx
200.66.53.203	PTR	customer-gys-53-203.megared.net.mx
200.66.56.67	PTR	customer-gys-56-67.megared.net.mx
200.66.57.39	PTR	customer-gys-57-39.megared.net.mx
200.66.61.252	PTR	customer-gys-61-252.megared.net.mx
200.66.62.151	PTR	customer-gys-62-151.megared.net.mx
200.66.62.163	PTR	customer-gys-62-163.megared.net.mx