Robtex

Up: 200.77.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 200.77.128.0/20
Down right: 200.77.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.77.128.185	PTR	customer-mor-128-185.megared.net.mx
200.77.130.177	PTR	customer-mor-130-177.megared.net.mx
200.77.131.187	PTR	customer-mor-131-187.megared.net.mx
200.77.132.35	PTR	customer-mor-132-35.megared.net.mx
200.77.132.51	PTR	customer-mor-132-51.megared.net.mx
200.77.132.187	PTR	customer-mor-132-187.megared.net.mx
200.77.133.159	PTR	customer-mor-133-159.megared.net.mx
200.77.137.5	PTR	customer-gdl-137-5.megared.net.mx
200.77.137.17	PTR	customer-gdl-137-17.megared.net.mx
200.77.137.17	A	scontent.fyum1-1.fna.fbcdn.net
200.77.137.18	PTR	customer-gdl-137-18.megared.net.mx
200.77.137.18	A	video.fyum1-1.fna.fbcdn.net
200.77.137.32	PTR	customer-gdl-137-32.megared.net.mx
200.77.137.32	A	instagram.fyum1-1.fna.fbcdn.net
200.77.137.33	PTR	customer-gdl-137-33.megared.net.mx
200.77.137.33	A	media.fyum1-1.fna.whatsapp.net
200.77.137.34	PTR	customer-gdl-137-34.megared.net.mx
200.77.137.34	A	z-p3-scontent.fyum1-1.fna.fbcdn.net
200.77.137.76	PTR	customer-gdl-137-76.megared.net.mx
200.77.137.76	A	r1.sn-hxb5j5cax-05je.googlevideo.com
200.77.137.76	A	r1.sn-hxb5j5cax-05je.gvt1.com
200.77.137.77	PTR	customer-gdl-137-77.megared.net.mx
200.77.137.77	A	r2.sn-hxb5j5cax-05je.googlevideo.com
200.77.137.77	A	r2.sn-hxb5j5cax-05je.gvt1.com
200.77.137.78	PTR	customer-gdl-137-78.megared.net.mx
200.77.137.132	A	occ-0-1979-33.1.nflxso.net
200.77.137.132	A	occ-0-1979-37.1.nflxso.net
200.77.137.133	A	occ-0-1979-33.1.nflxso.net
200.77.137.133	A	occ-0-1979-37.1.nflxso.net
200.77.139.34	PTR	customer-mor-139-34.megared.net.mx
200.77.139.34	A	occ-0-1747-114.1.nflxso.net
200.77.139.34	A	ipv4-c001-mlm001-megacable-isp.1.oca.nflxvideo.net
200.77.139.35	PTR	customer-mor-139-35.megared.net.mx
200.77.139.35	A	occ-0-1747-114.1.nflxso.net
200.77.139.35	A	occ-0-1747-116.1.nflxso.net
200.77.139.36	PTR	customer-mor-139-36.megared.net.mx
200.77.139.37	PTR	customer-mor-139-37.megared.net.mx
200.77.139.76	PTR	customer-mor-139-76.megared.net.mx
200.77.139.76	A	r1---sn-hxb5j5cax-hahl.googlevideo.com
200.77.139.76	A	r1---sn-hxb5j5cax-hahl.gvt1.com
200.77.139.77	PTR	customer-mor-139-77.megared.net.mx
200.77.139.77	A	r2---sn-hxb5j5cax-hahl.googlevideo.com
200.77.139.77	A	r2---sn-hxb5j5cax-hahl.gvt1.com
200.77.139.78	PTR	customer-mor-139-78.megared.net.mx
200.77.139.79	PTR	customer-mor-139-79.megared.net.mx
200.77.139.180	PTR	customer-mor-139-180.megared.net.mx
200.77.139.210	PTR	customer-mor-139-210.megared.net.mx
200.77.139.229	PTR	customer-mor-139-229.megared.net.mx
200.77.140.34	PTR	customer-mor-140-34.megared.net.mx
200.77.140.130	PTR	customer-mor-140-130.megared.net.mx
200.77.141.122	PTR	customer-mor-141-122.megared.net.mx
200.77.143.205	PTR	customer-mor-143-205.megared.net.mx
200.77.144.77	A	libmich.com
200.77.144.194	PTR	customer-mor-144-194.megared.net.mx
200.77.145.37	PTR	customer-cob-public-cgn-145-37.megared.net.mx
200.77.145.37	A	guanajuatoconectado.org
200.77.145.126	PTR	customer-mor-145-126.megared.net.mx
200.77.145.186	PTR	customer-mor-145-186.megared.net.mx
200.77.146.31	PTR	customer-mor-146-31.megared.net.mx
200.77.146.31	A	ns1.facturaselectronicascfdi.com
200.77.146.31	A	facturaselectronicascfdi.com
200.77.146.66	PTR	customer-mor-146-66.megared.net.mx
200.77.147.0	PTR	customer-mor-147-0.megared.net.mx
200.77.147.1	PTR	1megacarrier.com.mx
200.77.147.2	PTR	2megacarrier.com.mx
200.77.147.3	PTR	3megacarrier.com.mx
200.77.147.5	A	dns.spolimpia.mx
200.77.147.5	A	apollo.mx
200.77.147.5	A	dns.esprope.com.mx
200.77.147.32	PTR	32megacarrier.com.mx
200.77.147.33	PTR	33megacarrier.com.mx
200.77.147.34	PTR	34megacarrier.com.mx
200.77.147.35	PTR	35megacarrier.com.mx
200.77.147.64	PTR	64megacarrier.com.mx
200.77.147.65	PTR	65megacarrier.com.mx
200.77.147.66	PTR	66megacarrier.com.mx
200.77.147.67	PTR	67megacarrier.com.mx
200.77.147.96	PTR	96megacarrier.com.mx
200.77.147.97	PTR	97megacarrier.com.mx
200.77.147.98	PTR	98megacarrier.com.mx
200.77.147.99	PTR	99megacarrier.com.mx
200.77.147.124	A	sidiumb.umb.edu.mx
200.77.147.128	PTR	128megacarrier.com.mx
200.77.147.129	PTR	129megacarrier.com.mx
200.77.147.130	PTR	130megacarrier.com.mx
200.77.147.131	PTR	131megacarrier.com.mx
200.77.147.160	PTR	160megacarrier.com.mx
200.77.147.161	PTR	161megacarrier.com.mx
200.77.147.162	PTR	162megacarrier.com.mx
200.77.147.163	PTR	163megacarrier.com.mx
200.77.147.192	PTR	192megacarrier.com.mx
200.77.147.193	PTR	193megacarrier.com.mx
200.77.147.194	PTR	194megacarrier.com.mx
200.77.147.195	PTR	195megacarrier.com.mx
200.77.147.218	A	www.secogem.gob.mx
200.77.147.224	PTR	224megacarrier.com.mx
200.77.147.225	PTR	225megacarrier.com.mx
200.77.147.226	PTR	226megacarrier.com.mx
200.77.147.227	PTR	227megacarrier.com.mx
200.77.148.194	PTR	customer-mor-148-194.megared.net.mx
200.77.149.62	PTR	customer-mor-149-62.megared.net.mx
200.77.149.108	PTR	customer-mor-149-108.megared.net.mx
200.77.149.178	PTR	customer-mor-149-178.megared.net.mx
200.77.150.252	PTR	customer-cob-public-cgn-150-252.megared.net.mx
200.77.151.1	PTR	customer-mor-151-1.megared.net.mx
200.77.151.2	PTR	customer-mor-151-2.megared.net.mx
200.77.151.3	PTR	customer-mor-151-3.megared.net.mx
200.77.151.33	PTR	customer-mor-151-33.megared.net.mx
200.77.151.35	PTR	customer-mor-151-35.megared.net.mx
200.77.151.160	PTR	customer-mor-151-160.megared.net.mx
200.77.151.224	PTR	customer-mor-151-224.megared.net.mx
200.77.151.227	PTR	customer-mor-151-227.megared.net.mx
200.77.154.3	PTR	customer-mor-154-3.megared.net.mx
200.77.154.97	PTR	customer-mor-154-97.megared.net.mx
200.77.154.195	PTR	customer-mor-154-195.megared.net.mx
200.77.154.227	PTR	customer-mor-154-227.megared.net.mx
200.77.155.41	PTR	customer-mor-155-41.megared.net.mx
200.77.159.159	PTR	customer-mor-159-159.megared.net.mx
200.77.159.159	A	mail.artesaniasmimexicolindo.com
200.77.159.255	PTR	customer-mor-159-255.megared.net.mx