Robtex

Up: 200.76.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 200.76.48.0/22
Down right: 200.76.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.76.48.1	PTR	1regus0396.200.76.48.1.ipv4.regusnet.com
200.76.48.2	PTR	2regus0396.200.76.48.2.ipv4.regusnet.com
200.76.48.3	PTR	3regus0396.200.76.48.3.ipv4.regusnet.com
200.76.48.4	A	sam.caaarem.org.mx
200.76.48.8	PTR	8regus0396.200.76.48.8.ipv4.regusnet.com
200.76.48.9	PTR	9regus0396.200.76.48.9.ipv4.regusnet.com
200.76.48.10	PTR	10regus0396.200.76.48.10.ipv4.regusnet.com
200.76.48.11	PTR	11regus0396.200.76.48.11.ipv4.regusnet.com
200.76.48.12	A	economia.siicex-caaarem.org.mx
200.76.48.16	PTR	16regus0396.200.76.48.16.ipv4.regusnet.com
200.76.48.17	PTR	17regus0396.200.76.48.17.ipv4.regusnet.com
200.76.48.18	PTR	18regus0396.200.76.48.18.ipv4.regusnet.com
200.76.48.19	PTR	19regus0396.200.76.48.19.ipv4.regusnet.com
200.76.48.130	A+PTR	ns.terza.com
200.76.48.130	A	terza.com.mx
200.76.48.130	A	terzanatur.mx
200.76.48.141	A	graberbyterza.com
200.76.48.150	A	terza.com.mx
200.76.48.150	A	terza.com
200.76.48.150	A	terzanatur.com.mx
200.76.48.210	A	mail.yalemexico.com
200.76.48.228	A	pfizer-fv.com
200.76.49.8	A+PTR	ns1.comnet.net.mx
200.76.49.9	A+PTR	dns1.comnet.net.mx
200.76.49.10	A+PTR	correo.comnet.mx
200.76.49.10	A	mail.astarnet.net
200.76.49.11	PTR	host11.comnet.net.mx
200.76.49.25	PTR	factronicapac
200.76.49.27	A+PTR	nocview.net
200.76.49.27	A	mail.astarnet.net
200.76.49.27	A	mail.nocview.net
200.76.49.48	PTR	mail.comnet.mx
200.76.49.49	A	server.comnet.mx
200.76.49.50	PTR	mail.larousse.com.mx
200.76.49.51	PTR	mail.editorialpatria.com.mx
200.76.50.1	PTR	host1.comnet.net.mx
200.76.51.1	PTR	host1.comnet.net.mx
200.76.51.9	PTR	host9.comnet.net.mx
200.76.51.10	PTR	host10.comnet.net.mx
200.76.51.17	PTR	host17.comnet.net.mx
200.76.51.18	PTR	host18.comnet.net.mx
200.76.51.25	PTR	host25.comnet.net.mx
200.76.51.26	PTR	host26.comnet.net.mx
200.76.51.33	PTR	host33.comnet.net.mx
200.76.51.241	PTR	host241.comnet.net.mx
200.76.51.242	PTR	host242.comnet.net.mx
200.76.52.50	PTR	static-200-76-52-50.alestra.net.mx
200.76.52.57	PTR	static-200-76-52-57.alestra.net.mx
200.76.52.57	A	mail.mobiliario.net
200.76.52.58	PTR	static-200-76-52-58.alestra.net.mx
200.76.52.94	A	aliatuniversidades.mx
200.76.52.94	A	universidadaliat.com.mx
200.76.52.94	A	appspot.com--14224311188207.gw.1688.com
200.76.52.115	PTR	static-200-76-52-115.alestra.net.mx
200.76.52.122	PTR	static-200-76-52-122.alestra.net.mx
200.76.52.124	A	ns2.cotemar.com.mx
200.76.52.137	A+PTR	mail6.ixe.com.mx
200.76.52.157	A	www.test.ixe.com.mx
200.76.52.164	A	ixeahorro.prod.ixe.com.mx
200.76.53.2	PTR	static-200-76-53-2.alestra.net.mx
200.76.53.51	A+PTR	mail.kwmetro.com.mx
200.76.53.111	A	qtutvucom.com
200.76.53.111	A	wcoliaifcom.com
200.76.53.111	A	www.volteck.com.mx
200.76.53.202	PTR	static-200-76-53-202.alestra.net.mx
200.76.53.208	PTR	static-200-76-53-208.alestra.net.mx
200.76.53.214	A	ns1.flinkmex.com
200.76.53.214	A	painaxpress.com
200.76.53.214	A	ns1.partysetandmore.com
200.76.54.249	PTR	static-200-76-54-249.alestra.net.mx
200.76.54.251	PTR	ns01.posadas.com
200.76.54.251	A	ns01.globogo.com
200.76.55.139	PTR	static-200-76-55-139.alestra.net.mx