This script is used to find specific public IP by looping all GCP projects

find-gcp-public-ip.sh

#!/usr/bin/env bash

# This script finds specific public ip from all of your GCP projects

PUBLIC_IP=$1

for projct in $(gcloud projects list | awk '{print $1}' | sed -n '1!p'); do
  echo "-- Searching in $projct"
  gcloud config set project "$projct" >> /dev/null 2>&1
  for ip in $(gcloud --format="value(networkInterfaces[0].accessConfigs[0].natIP)" compute instances list); do
    if [ "$ip" = "$PUBLIC_IP" ]; then
      echo "Found ip $PUBLIC_IP in project $projct"
      break
    fi
  done
done