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cdcme/gcp-netblocks.sh

Created November 12, 2018 20:42
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Get GCP netblocks for firewall rules
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gcp-netblocks.sh
for name in $(nslookup -q=TXT _spf.google.com 8.8.8.8 | grep -oe '_netblocks[1-9]*.google.com'); do nslookup -q=TXT $name 8.8.8.8 | grep -oe '[0-9]*.[0-9]*.[0-9]*.[0-9]/[0-9]*'; done
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