Robtex

Up: 157.100.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 157.100.56.0/23
Down right: 157.100.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.100.56.33	A	mail.powernet.net.ec
157.100.56.33	A	powernet.net.ec
157.100.56.33	A	ns2.powernet.net.ec
157.100.56.50	PTR	host-157-100-56-50.ecua.net.ec
157.100.57.4	A	uesanchez.dyndns.org
157.100.57.61	PTR	host-157-100-57-61.ecua.net.ec
157.100.57.61	A	asc2.ecua.net.ec
157.100.57.101	PTR	host-157-100-57-101.ecua.net.ec
157.100.57.101	A	webmail.saitel.ec
157.100.57.101	A	radiolatacunga.com
157.100.57.132	PTR	host-157-100-57-132.ecua.net.ec
157.100.57.233	A	fondosconsultasmdmq.com
157.100.58.130	PTR	mails.telynet.net
157.100.58.156	PTR	host-157-100-58-156.ecua.net.ec
157.100.58.195	PTR	host-157-100-58-195.ecua.net.ec
157.100.59.2	PTR	host-157-100-59-2.ecua.net.ec
157.100.59.9	PTR	host-157-100-59-9.ecua.net.ec
157.100.59.16	PTR	host-157-100-59-16.ecua.net.ec
157.100.59.21	PTR	host-157-100-59-21.ecua.net.ec
157.100.59.22	PTR	host-157-100-59-22.ecua.net.ec
157.100.59.30	PTR	host-157-100-59-30.ecua.net.ec
157.100.59.33	PTR	host-157-100-59-33.ecua.net.ec
157.100.59.49	PTR	host-157-100-59-49.ecua.net.ec
157.100.59.54	PTR	host-157-100-59-54.ecua.net.ec
157.100.59.58	PTR	host-157-100-59-58.ecua.net.ec
157.100.59.62	PTR	host-157-100-59-62.ecua.net.ec
157.100.59.69	PTR	host-157-100-59-69.ecua.net.ec
157.100.59.71	PTR	host-157-100-59-71.ecua.net.ec
157.100.59.100	PTR	host-157-100-59-100.ecua.net.ec
157.100.59.114	PTR	host-157-100-59-114.ecua.net.ec
157.100.59.130	PTR	host-157-100-59-130.ecua.net.ec
157.100.59.175	PTR	host-157-100-59-175.ecua.net.ec
157.100.59.182	PTR	host-157-100-59-182.ecua.net.ec
157.100.59.189	PTR	host-157-100-59-189.ecua.net.ec
157.100.59.194	PTR	host-157-100-59-194.ecua.net.ec
157.100.59.205	PTR	host-157-100-59-205.ecua.net.ec
157.100.59.206	PTR	host-157-100-59-206.ecua.net.ec
157.100.59.212	PTR	host-157-100-59-212.ecua.net.ec
157.100.59.215	PTR	host-157-100-59-215.ecua.net.ec
157.100.59.216	PTR	host-157-100-59-216.ecua.net.ec