Robtex

Up: 157.100.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 157.100.224.0/20
Down right: 157.100.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.100.230.58	A	mail.mayresa.com.ec
157.100.230.58	A	mayresa.com.ec
157.100.230.163	PTR	host-157-100-230-163.ecua.net.ec
157.100.232.3	PTR	host-157-100-232-3.ecua.net.ec
157.100.232.32	PTR	host-157-100-232-32.ecua.net.ec
157.100.232.33	PTR	host-157-100-232-33.ecua.net.ec
157.100.232.66	PTR	host-157-100-232-66.ecua.net.ec
157.100.232.99	PTR	host-157-100-232-99.ecua.net.ec
157.100.232.131	PTR	host-157-100-232-131.ecua.net.ec
157.100.232.160	PTR	host-157-100-232-160.ecua.net.ec
157.100.232.161	PTR	host-157-100-232-161.ecua.net.ec
157.100.232.227	PTR	host-157-100-232-227.ecua.net.ec
157.100.233.1	PTR	host-157-100-233-1.ecua.net.ec
157.100.233.2	PTR	host-157-100-233-2.ecua.net.ec
157.100.233.32	PTR	host-157-100-233-32.ecua.net.ec
157.100.233.67	PTR	host-157-100-233-67.ecua.net.ec
157.100.233.131	PTR	host-157-100-233-131.ecua.net.ec
157.100.233.192	PTR	host-157-100-233-192.ecua.net.ec
157.100.233.193	PTR	host-157-100-233-193.ecua.net.ec
157.100.233.224	PTR	host-157-100-233-224.ecua.net.ec
157.100.233.227	PTR	host-157-100-233-227.ecua.net.ec
157.100.235.139	A	revilpe.com
157.100.236.98	PTR	host-157-100-236-98.ecua.net.ec
157.100.236.226	PTR	host-157-100-236-226.ecua.net.ec
157.100.237.3	PTR	host-157-100-237-3.ecua.net.ec
157.100.237.65	PTR	host-157-100-237-65.ecua.net.ec
157.100.237.99	PTR	host-157-100-237-99.ecua.net.ec
157.100.241.148	A	esasistencia.com.ec
157.100.241.148	A	mail.esasistencia.com.ec
157.100.241.149	A	portal.inmedical.com.ec
157.100.241.221	A	southlander.net
157.100.241.221	A	mail.southlander.net
157.100.241.246	A	sige.uisrael.edu.ec
157.100.243.128	PTR	host-157-100-243-128.ecua.net.ec
157.100.243.192	PTR	host-157-100-243-192.ecua.net.ec
157.100.244.3	A	enlamiraec.com
157.100.244.3	A	atentiecuador.com
157.100.244.3	A	593noticias.com
157.100.245.129	PTR	host-157-100-245-129.ecua.net.ec
157.100.245.227	PTR	host-157-100-245-227.ecua.net.ec
157.100.250.67	PTR	host-157-100-250-67.ecua.net.ec
157.100.250.97	PTR	host-157-100-250-97.ecua.net.ec
157.100.255.195	A	mail.equaboiler.com.ec