Robtex

Up: 157.100.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 157.100.192.0/21
Down right: 157.100.200.0/21

IP	Type	Hostname
157.100.192.49	PTR	host-157-100-192-49.ecua.net.ec
157.100.192.51	A+PTR	coopacs.fin.ec
157.100.192.97	PTR	host-157-100-192-97.ecua.net.ec
157.100.192.98	A+PTR	oncedejunio.fin.ec
157.100.192.99	PTR	host-157-100-192-99.ecua.net.ec
157.100.192.192	PTR	host-157-100-192-192.ecua.net.ec
157.100.192.227	PTR	host-157-100-192-227.ecua.net.ec
157.100.193.114	PTR	probanaexpor.com.ec
157.100.194.2	PTR	host-157-100-194-2.ecua.net.ec
157.100.194.16	PTR	host-157-100-194-16.ecua.net.ec
157.100.194.51	PTR	host-157-100-194-51.ecua.net.ec
157.100.194.81	PTR	host-157-100-194-81.ecua.net.ec
157.100.194.194	PTR	host-157-100-194-194.ecua.net.ec
157.100.196.3	PTR	host-157-100-196-3.ecua.net.ec
157.100.196.64	PTR	host-157-100-196-64.ecua.net.ec
157.100.196.112	PTR	host-157-100-196-112.ecua.net.ec
157.100.196.114	PTR	host-157-100-196-114.ecua.net.ec
157.100.196.179	PTR	host-157-100-196-179.ecua.net.ec
157.100.196.194	PTR	host-157-100-196-194.ecua.net.ec
157.100.198.51	PTR	host-157-100-198-51.ecua.net.ec
157.100.198.131	PTR	host-157-100-198-131.ecua.net.ec
157.100.198.144	PTR	host-157-100-198-144.ecua.net.ec
157.100.198.176	PTR	host-157-100-198-176.ecua.net.ec
157.100.198.192	PTR	host-157-100-198-192.ecua.net.ec
157.100.199.64	PTR	host-157-100-199-64.ecua.net.ec
157.100.200.16	PTR	host-157-100-200-16.ecua.net.ec
157.100.200.35	PTR	host-157-100-200-35.ecua.net.ec
157.100.200.96	PTR	host-157-100-200-96.ecua.net.ec
157.100.200.128	PTR	host-157-100-200-128.ecua.net.ec
157.100.200.129	PTR	host-157-100-200-129.ecua.net.ec
157.100.200.146	PTR	host-157-100-200-146.ecua.net.ec
157.100.200.162	PTR	host-157-100-200-162.ecua.net.ec
157.100.201.3	PTR	host-157-100-201-3.ecua.net.ec
157.100.201.18	PTR	host-157-100-201-18.ecua.net.ec
157.100.201.51	PTR	host-157-100-201-51.ecua.net.ec
157.100.201.80	PTR	host-157-100-201-80.ecua.net.ec
157.100.201.130	PTR	host-157-100-201-130.ecua.net.ec
157.100.201.162	PTR	host-157-100-201-162.ecua.net.ec
157.100.201.178	PTR	host-157-100-201-178.ecua.net.ec
157.100.201.208	PTR	host-157-100-201-208.ecua.net.ec
157.100.202.34	PTR	host-157-100-202-34.ecua.net.ec
157.100.202.81	PTR	host-157-100-202-81.ecua.net.ec
157.100.202.99	PTR	host-157-100-202-99.ecua.net.ec
157.100.202.114	PTR	host-157-100-202-114.ecua.net.ec
157.100.202.130	PTR	host-157-100-202-130.ecua.net.ec
157.100.202.226	PTR	host-157-100-202-226.ecua.net.ec
157.100.202.241	PTR	host-157-100-202-241.ecua.net.ec
157.100.202.242	PTR	host-157-100-202-242.ecua.net.ec
157.100.204.18	PTR	host-157-100-204-18.ecua.net.ec
157.100.204.65	PTR	host-157-100-204-65.ecua.net.ec
157.100.204.67	PTR	host-157-100-204-67.ecua.net.ec
157.100.204.98	PTR	host-157-100-204-98.ecua.net.ec
157.100.204.112	PTR	host-157-100-204-112.ecua.net.ec
157.100.204.227	PTR	host-157-100-204-227.ecua.net.ec
157.100.204.242	PTR	host-157-100-204-242.ecua.net.ec
157.100.205.16	PTR	host-157-100-205-16.ecua.net.ec
157.100.205.66	PTR	host-157-100-205-66.ecua.net.ec
157.100.205.81	PTR	host-157-100-205-81.ecua.net.ec
157.100.205.115	PTR	host-157-100-205-115.ecua.net.ec
157.100.205.147	PTR	host-157-100-205-147.ecua.net.ec
157.100.205.160	PTR	host-157-100-205-160.ecua.net.ec
157.100.206.34	PTR	host-157-100-206-34.ecua.net.ec
157.100.206.49	PTR	host-157-100-206-49.ecua.net.ec
157.100.206.80	PTR	host-157-100-206-80.ecua.net.ec
157.100.206.160	PTR	host-157-100-206-160.ecua.net.ec
157.100.206.160	A	zjxqwj.com
157.100.206.179	PTR	host-157-100-206-179.ecua.net.ec
157.100.206.192	PTR	host-157-100-206-192.ecua.net.ec
157.100.206.211	PTR	host-157-100-206-211.ecua.net.ec
157.100.206.225	PTR	host-157-100-206-225.ecua.net.ec
157.100.206.241	PTR	host-157-100-206-241.ecua.net.ec
157.100.206.243	PTR	host-157-100-206-243.ecua.net.ec
157.100.207.51	PTR	host-157-100-207-51.ecua.net.ec
157.100.207.66	PTR	host-157-100-207-66.ecua.net.ec
157.100.207.97	PTR	host-157-100-207-97.ecua.net.ec