Robtex

Up: 204.246.160.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 204.246.162.0/24
Down right: 204.246.163.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.246.162.5	PTR	ns-945.amazon.com
204.246.162.6	A	ns-843.amazon.com
204.246.162.6	A	ns-841.amazon.com
204.246.162.7	A	ns-946.amazon.com
204.246.162.10	A	ns-947.amazonaws.com
204.246.162.10	A	ns-942.amazonaws.com
204.246.162.12	A	ns-944.amazonaws.com
204.246.162.12	A	ns-943.amazon.com
204.246.162.131	A	elasticloadbalancing.us-west-1.amazonaws.com
204.246.162.140	A	ec2.us-west-1.amazonaws.com
204.246.162.164	PTR	cloudsearch.us-west-1.amazonaws.com
204.246.162.165	A+PTR	callback.cloudsearch.us-west-1.amazonaws.com
204.246.162.184	PTR	anon-cp.storagegateway.us-west-1.amazonaws.com
204.246.162.185	PTR	dp-1.storagegateway.us-west-1.amazonaws.com
204.246.162.187	PTR	proxy-app.storagegateway.us-west-1.amazonaws.com
204.246.162.224	PTR	s3-us-west-1.amazonaws.com
204.246.162.225	PTR	s3-us-west-1-w.amazonaws.com
204.246.162.226	A+PTR	s3-console-us-west-1.console.aws.amazon.com
204.246.162.227	A+PTR	s3-console-us-west-1.amazonaws.com
204.246.162.229	A+PTR	s3-tracker.us-west-1.amazonaws.com
204.246.162.230	PTR	s3-website-us-west-1.amazonaws.com
204.246.162.230	A	*.s3-website-us-west-1.amazonaws.com
204.246.162.230	A	*.blog.albionfire.com
204.246.162.231	PTR	anon-cp.storagegateway.us-west-1.amazonaws.com
204.246.162.232	A+PTR	client-cp.storagegateway.us-west-1.amazonaws.com
204.246.162.233	PTR	dp-1.storagegateway.us-west-1.amazonaws.com
204.246.162.235	PTR	proxy-app.storagegateway.us-west-1.amazonaws.com
204.246.162.238	PTR	s3-transfer-us-west-1.amazonaws.com
204.246.162.240	PTR	s3-us-west-1.amazonaws.com
204.246.162.243	PTR	s3-console-us-west-1.amazonaws.com
204.246.162.246	PTR	s3-website-us-west-1.amazonaws.com
204.246.162.246	A	*.s3-website-us-west-1.amazonaws.com
204.246.162.246	A	*.blog.albionfire.com
204.246.162.247	PTR	glacier.us-west-1.amazonaws.com
204.246.162.249	PTR	dp-1.storagegateway.us-west-1.amazonaws.com
204.246.162.250	A+PTR	storagegateway.us-west-1.amazonaws.com
204.246.162.251	PTR	proxy-app.storagegateway.us-west-1.amazonaws.com
204.246.162.253	PTR	s3-transfer-us-west-1.amazonaws.com
204.246.163.128	PTR	s3-us-west-1.amazonaws.com
204.246.163.130	PTR	s3-console-us-west-1.console.aws.amazon.com
204.246.163.131	A+PTR	s3-console-us-west-1.amazonaws.com
204.246.163.132	A+PTR	s3-seeder.us-west-1.amazonaws.com
204.246.163.134	PTR	s3-website-us-west-1.amazonaws.com
204.246.163.134	A	*.s3-website-us-west-1.amazonaws.com
204.246.163.134	A	*.blog.albionfire.com
204.246.163.135	PTR	anon-cp.storagegateway.us-west-1.amazonaws.com
204.246.163.136	A+PTR	client-cp.storagegateway.us-west-1.amazonaws.com
204.246.163.137	PTR	dp-1.storagegateway.us-west-1.amazonaws.com
204.246.163.138	PTR	config.storagegateway.us-west-1.amazonaws.com
204.246.163.139	PTR	proxy-app.storagegateway.us-west-1.amazonaws.com
204.246.163.140	A+PTR	sg-console-us-west-1.console.aws.amazon.com
204.246.163.144	PTR	s3-us-west-1.amazonaws.com
204.246.163.145	PTR	s3-us-west-1-w.amazonaws.com
204.246.163.147	PTR	s3-console-us-west-1.amazonaws.com
204.246.163.150	PTR	s3-website-us-west-1.amazonaws.com
204.246.163.150	A	*.blog.albionfire.com
204.246.163.150	A	*.k.albionfire.com
204.246.163.151	PTR	glacier.us-west-1.amazonaws.com
204.246.163.153	PTR	dp-1.storagegateway.us-west-1.amazonaws.com
204.246.163.154	A+PTR	storagegateway.us-west-1.amazonaws.com
204.246.163.155	PTR	proxy-app.storagegateway.us-west-1.amazonaws.com
204.246.163.231	A	ec2.us-west-1.amazonaws.com
204.246.163.240	A	elasticloadbalancing.us-west-1.amazonaws.com
204.246.163.242	A	callback.cloudsearch.us-west-1.amazonaws.com
204.246.163.244	A+PTR	cloudsearch.us-west-1.amazonaws.com
204.246.163.249	PTR	s3-transfer-us-west-1.amazonaws.com