Robtex

Up: 64.46.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.46.74.0/24
Down right: 64.46.75.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.46.74.78	A+PTR	fw.ecuanet.com
64.46.74.78	A	ecuanet.com
64.46.74.78	A	megadatos.net
64.46.74.242	PTR	gw-uio.fmdj.org
64.46.75.26	PTR	enkador.com
64.46.75.33	PTR	gw.sismode.com
64.46.75.92	A+PTR	mail.segurosalianza.com
64.46.75.92	A	segurosalianza.com
64.46.75.162	PTR	mail.servifreno.com
64.46.75.166	PTR	mail.wackenhut.com.ec
64.46.75.177	PTR	gw.fcaq.k12.ec
64.46.75.225	PTR	gw.pinto.com.ec
64.46.75.227	PTR	qdsmtp.pinto.com.ec