Robtex

Up: 201.218.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.218.41.0/25
Down right: 201.218.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.218.41.62	PTR	mail.mutualistaimbabura.com
201.218.41.158	PTR	correo.ibarra.gob.ec
201.218.41.162	A+PTR	mail.mutualistaimbabura.com
201.218.41.162	A	mutualistaimbabura.com
201.218.41.162	A	smtp.mutualistaimbabura.com
201.218.41.251	PTR	ip2.wisp.net.ec
201.218.41.254	PTR	ip5.wisp.net.ec