Robtex

Up: 157.100.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 157.100.16.0/21
Down right: 157.100.24.0/21

IP	Type	Hostname
157.100.16.17	PTR	host-157-100-16-17.ecua.net.ec
157.100.16.18	PTR	host-157-100-16-18.ecua.net.ec
157.100.16.144	PTR	host-157-100-16-144.ecua.net.ec
157.100.16.224	PTR	host-157-100-16-224.ecua.net.ec
157.100.17.59	A	mail.fisoluciones.com
157.100.18.1	PTR	host-157-100-18-1.ecua.net.ec
157.100.19.18	A	st03.q.ecua.net.ec
157.100.19.19	A	st04.q.ecua.net.ec
157.100.20.17	PTR	host-157-100-20-17.ecua.net.ec
157.100.20.51	PTR	host-157-100-20-51.ecua.net.ec
157.100.20.64	PTR	host-157-100-20-64.ecua.net.ec
157.100.20.66	PTR	host-157-100-20-66.ecua.net.ec
157.100.20.97	PTR	host-157-100-20-97.ecua.net.ec
157.100.20.98	PTR	host-157-100-20-98.ecua.net.ec
157.100.20.131	PTR	host-157-100-20-131.ecua.net.ec
157.100.20.145	PTR	host-157-100-20-145.ecua.net.ec
157.100.20.163	PTR	host-157-100-20-163.ecua.net.ec
157.100.20.177	PTR	host-157-100-20-177.ecua.net.ec
157.100.20.178	PTR	host-157-100-20-178.ecua.net.ec
157.100.21.17	PTR	host-157-100-21-17.ecua.net.ec
157.100.21.98	PTR	host-157-100-21-98.ecua.net.ec
157.100.21.146	PTR	host-157-100-21-146.ecua.net.ec
157.100.21.162	PTR	host-157-100-21-162.ecua.net.ec
157.100.21.163	PTR	host-157-100-21-163.ecua.net.ec
157.100.21.164	A	mail.uedelta.k12.ec
157.100.21.225	PTR	host-157-100-21-225.ecua.net.ec
157.100.21.240	PTR	host-157-100-21-240.ecua.net.ec
157.100.22.19	PTR	host-157-100-22-19.ecua.net.ec
157.100.22.65	PTR	host-157-100-22-65.ecua.net.ec
157.100.22.66	PTR	host-157-100-22-66.ecua.net.ec
157.100.22.128	PTR	host-157-100-22-128.ecua.net.ec
157.100.22.144	PTR	host-157-100-22-144.ecua.net.ec
157.100.22.192	PTR	host-157-100-22-192.ecua.net.ec
157.100.23.99	PTR	mail.cinemark.com.ec
157.100.23.194	PTR	mail.invmetals.com.ec
157.100.23.194	A	invmetals.com.ec
157.100.24.26	A	latablitadeltartaro.com
157.100.24.26	A	mail.latablitadeltartaro.com
157.100.24.30	A	facturacionltg.com
157.100.24.34	A+PTR	bmi.com.ec
157.100.24.34	A	mail.masecuador.com
157.100.24.34	A	masecuador.com
157.100.25.163	PTR	host-157-100-25-163.ecua.net.ec
157.100.26.5	A	electroecuatoriana.com
157.100.26.19	PTR	host-157-100-26-19.ecua.net.ec
157.100.26.98	PTR	host-157-100-26-98.ecua.net.ec
157.100.26.113	PTR	host-157-100-26-113.ecua.net.ec
157.100.26.131	PTR	host-157-100-26-131.ecua.net.ec
157.100.26.210	PTR	host-157-100-26-210.ecua.net.ec
157.100.30.97	PTR	host-157-100-30-97.ecua.net.ec
157.100.30.146	PTR	host-157-100-30-146.ecua.net.ec
157.100.30.178	PTR	host-157-100-30-178.ecua.net.ec
157.100.30.193	PTR	host-157-100-30-193.ecua.net.ec
157.100.30.210	A+PTR	mail.deskubraviajes.com
157.100.30.235	A	mail.inec.gob.ec
157.100.30.243	PTR	host-157-100-30-243.ecua.net.ec
157.100.31.115	PTR	host-157-100-31-115.ecua.net.ec
157.100.31.144	PTR	host-157-100-31-144.ecua.net.ec
157.100.31.226	PTR	host-157-100-31-226.ecua.net.ec