Looking for a solution where you could paste a list like:
176.34.128.0/17
177.71.128.0/17
184.72.0.0/18
...
...
Either straight in or say in CSV format:
Network,Description
176.34.128.0/17,eu-west-1 [EC2]
177.71.128.0/17,sa-east-1 [EC2]
184.72.0.0/18,us-west-1 [EC2]
...
...