Robtex

Up: 201.238.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.238.220.0/25
Down right: 201.238.220.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.238.220.1	PTR	reverso.201.238.220.gtdinternet.com
201.238.220.12	A	seguimientoweb.correos.cl
201.238.220.15	A+PTR	mail.correos.cl
201.238.220.51	A	courier.correos.cl
201.238.220.102	A	owa.correos.cl
201.238.220.220	A	www.carta.cl
201.238.220.220	A	www.correoschile.cl
201.238.220.220	A	www.correo.cl
201.238.220.228	A	owa.correos.cl
201.238.220.230	A	ns.correos.cl
201.238.220.236	A+PTR	smtp.correos.cl
201.238.220.236	A	smtp.correo.cl
201.238.220.236	A	smtp1.correos.cl
201.238.220.237	A	www.correostransparente.cl
201.238.220.237	A	correostransparente.cl
201.238.220.238	A	smtp1.correo.cl