Robtex

Up: 207.83.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 207.83.220.0/23
Down right: 207.83.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
207.83.220.133	A	dns5.interfactura.net
207.83.220.133	A	dns5.grupodexsa.com.mx
207.83.220.133	A	dns5.grupodexsa.com
207.83.220.196	A	dns3.soportix.net
207.83.220.196	A	dns3.grupodexsa.com.mx
207.83.220.196	A	dns3.interfactura.net
207.83.220.205	A	dexsa.net
207.83.220.205	A	soportix.com
207.83.220.205	A	dexsa.com.mx
207.83.220.209	A	mail.soportix.net
207.83.220.209	A	mail.soportix.com
207.83.220.209	A	mail.sinamat.net