Created
May 24, 2016 17:12
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Use my awsiprangefilter.py (https://gist.github.com/brianwhigham/d3d74c17c423254db2ba973f97fae614) gist to list AWS IP ranges. Then, use ipcalc to count how many hosts are in that list.
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| #!/bin/sh | |
| # usage: supply a comma-separated list of regions as the first argument | |
| # and a comma-separated list of services as the second argument. | |
| wget -O /tmp/ip-ranges.json https://ip-ranges.amazonaws.com/ip-ranges.json | |
| unset hostcnt | |
| unset tcnt | |
| for r in $(awsiprangefilter.py -r $1 --services $2) | |
| do | |
| hostcnt=$(ipcalc $r|grep Hosts|cut -d " " -f 2) | |
| let tcnt+=$hostcnt | |
| done | |
| echo $tcnt |
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