Robtex

Up: 201.238.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 201.238.176.0/21
Down right: 201.238.184.0/21

IP	Type	Hostname
201.238.176.1	PTR	exmail.etapanet.net
201.238.176.2	A+PTR	mx1ex.etapanet.net
201.238.176.3	A+PTR	mx2ex.etapanet.net
201.238.176.3	A	exmail.etapanet.net
201.238.176.130	PTR	dns1.etapatelecom.net
201.238.176.131	PTR	aaa01.etapatelecom.net
201.238.176.133	PTR	web02.etapatelecom.net
201.238.176.133	A	web02.etapa.net.ec
201.238.176.154	PTR	154.201-238-176.etapanet.net
201.238.176.230	PTR	230.201-238-176.etapanet.net
201.238.178.45	PTR	45.201-238-178.etapanet.net
201.238.178.45	A	mail.moliram.com
201.238.178.81	A+PTR	mail.sisantaines.com
201.238.178.144	A	itreesoft.net
201.238.178.144	A	mx.itreesoft.net
201.238.178.145	A+PTR	mail.electrofertas.com.ec
201.238.191.34	PTR	34.201-238-191.etapanet.net
201.238.191.148	A	javirtual.jardinazuayo.fin.ec
201.238.191.255	PTR	255.201-238-191.etapanet.net