Robtex

Up: 157.100.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 157.100.176.0/21
Down right: 157.100.184.0/21

IP	Type	Hostname
157.100.176.99	PTR	host-157-100-176-99.ecua.net.ec
157.100.178.96	PTR	host-157-100-178-96.ecua.net.ec
157.100.178.210	PTR	host-157-100-178-210.ecua.net.ec
157.100.180.17	PTR	host-157-100-180-17.ecua.net.ec
157.100.180.242	PTR	host-157-100-180-242.ecua.net.ec
157.100.180.242	A	keys.atuntaqui.fin.ec
157.100.180.243	PTR	host-157-100-180-243.ecua.net.ec
157.100.180.250	A	*.atuntaqui.fin.ec
157.100.180.250	A	www.atuntaqui.fin.ec
157.100.180.250	A	mail.atuntaqui.fin.ec
157.100.182.26	A	correo.seitur.com.ec
157.100.182.26	A	carlsonwagonlit.com.ec
157.100.182.26	A	seitur.com.ec
157.100.182.27	A	www.seitur.com.ec
157.100.182.35	PTR	mail.corisdelecuador.com
157.100.182.35	A	roayroa.com
157.100.182.37	A	mail.corisdelecuador.com
157.100.182.37	A	webmail.corisdelecuador.com
157.100.182.38	A	mail.coris.ec
157.100.182.58	A	infoagua-guayllabamba.ec
157.100.182.62	A	infoagua-guayllabamba.ec
157.100.182.62	A	www.infoagua-guayllabamba.ec
157.100.183.51	PTR	host-157-100-183-51.ecua.net.ec
157.100.183.83	PTR	host-157-100-183-83.ecua.net.ec
157.100.184.113	PTR	host-157-100-184-113.ecua.net.ec
157.100.184.114	PTR	host-157-100-184-114.ecua.net.ec
157.100.184.163	PTR	host-157-100-184-163.ecua.net.ec
157.100.184.179	PTR	host-157-100-184-179.ecua.net.ec
157.100.185.3	PTR	host-157-100-185-3.ecua.net.ec
157.100.185.48	PTR	host-157-100-185-48.ecua.net.ec
157.100.185.50	PTR	host-157-100-185-50.ecua.net.ec
157.100.185.130	PTR	host-157-100-185-130.ecua.net.ec
157.100.185.178	PTR	host-157-100-185-178.ecua.net.ec
157.100.185.194	PTR	host-157-100-185-194.ecua.net.ec
157.100.185.208	PTR	host-157-100-185-208.ecua.net.ec
157.100.185.224	PTR	host-157-100-185-224.ecua.net.ec
157.100.186.193	PTR	host-157-100-186-193.ecua.net.ec
157.100.186.243	PTR	host-157-100-186-243.ecua.net.ec
157.100.188.49	PTR	host-157-100-188-49.ecua.net.ec
157.100.191.145	PTR	host-157-100-191-145.ecua.net.ec
157.100.191.226	PTR	mail.altropico.org.ec