Robtex

Up: 201.131.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.131.0.0/25
Down right: 201.131.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.131.0.4	A	controladoracm.com
201.131.0.4	A	controladoracm.com.mx
201.131.0.4	A	www.proveccm.com
201.131.0.5	A	california.com.mx
201.131.0.5	A	comerci.com.mx
201.131.0.5	A	www.comerci.com
201.131.0.6	A	comercialmexicana.com
201.131.0.6	A	www.comercialmexicana.com.mx
201.131.0.6	A	megasoriana.com
201.131.0.7	PTR	app.lacomerenlinea.com.mx
201.131.0.10	A	www.intraccm.com
201.131.0.25	PTR	mail2.intracomer.com.mx
201.131.0.26	A+PTR	dns01.comerci.com.mx
201.131.0.27	A	dns01.sorianaccm.com
201.131.0.30	A+PTR	mail.sorianaccm.com
201.131.0.30	A	mail.comerci.com.mx
201.131.0.31	A+PTR	mail2.sorianaccm.com
201.131.0.31	A	mail2.comerci.com.mx
201.131.0.130	PTR	lacomeronline.com.mx
201.131.0.133	A	mail.superensucasa.com
201.131.0.204	A	acceso.comerci.com.mx