54 lines
1.6 KiB
Bash
Executable File
54 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# https://support.google.com/a/answer/60764
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# https://cloud.google.com/compute/docs/faq#find_ip_range
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# From: https://github.com/pierrocknroll/googlecloud-iprange/blob/master/list.sh
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# From: https://gist.github.com/jeffmccune/e7d635116f25bc7e12b2a19efbafcdf8
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# From: https://gist.github.com/n0531m/f3714f6ad6ef738a3b0a
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set -euo pipefail
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set -x
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# get from public ranges
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curl -s https://www.gstatic.com/ipranges/cloud.json > /tmp/cloud.json
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# get from netblocks
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txt="$(dig TXT _netblocks.google.com +short @8.8.8.8)"
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idx=2
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while [[ -n "${txt}" ]]; do
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echo "${txt}" | tr '[:space:]+' "\n" | grep ':' | cut -d: -f2- >> /tmp/netblocks.txt
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txt="$(dig TXT _netblocks${idx}.google.com +short @8.8.8.8)"
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((idx++))
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done
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# get from other netblocks
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get_dns_spf() {
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dig @8.8.8.8 +short txt "$1" |
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tr ' ' '\n' |
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while read entry; do
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case "$entry" in
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ip4:*) echo "${entry#*:}" ;;
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ip6:*) echo "${entry#*:}" ;;
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include:*) get_dns_spf "${entry#*:}" ;;
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esac
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done
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}
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get_dns_spf "_cloud-netblocks.googleusercontent.com" >> /tmp/netblocks.txt
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# save ipv4
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jq '.prefixes[] | [.ipv4Prefix][] | select(. != null)' -r /tmp/cloud.json > /tmp/googlecloud-ipv4.txt
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grep -v ':' /tmp/netblocks.txt >> /tmp/googlecloud-ipv4.txt
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# save ipv6
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jq '.prefixes[] | [.ipv6Prefix][] | select(. != null)' -r /tmp/cloud.json > /tmp/googlecloud-ipv6.txt
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grep ':' /tmp/netblocks.txt >> /tmp/googlecloud-ipv6.txt
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# sort & uniq
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sort -h /tmp/googlecloud-ipv4.txt | uniq > googlecloud/ipv4.txt
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sort -h /tmp/googlecloud-ipv6.txt | uniq > googlecloud/ipv6.txt
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