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Парсер используемых подсетей гугла для настройки статических маршрутов в роутере
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| import requests | |
| SUBNETS = { "32": "255.255.255.255", | |
| "31": "255.255.255.254", | |
| "30": "255.255.255.252", | |
| "29": "255.255.255.248", | |
| "28": "255.255.255.240", | |
| "27": "255.255.255.224", | |
| "26": "255.255.255.192", | |
| "25": "255.255.255.128", | |
| "24": "255.255.255.0", | |
| "23": "255.255.254.0", | |
| "22": "255.255.252.0", | |
| "21": "255.255.248.0", | |
| "20": "255.255.240.0", | |
| "19": "255.255.224.0", | |
| "18": "255.255.192.0", | |
| "17": "255.255.128.0", | |
| "16": "255.255.0.0", | |
| "15": "255.254.0.0", | |
| "14": "255.252.0.0", | |
| "13": "255.248.0.0", | |
| "12": "255.240.0.0", | |
| "11": "255.224.0.0", | |
| "10": "255.192.0.0", | |
| "9": "255.128.0.0", | |
| "8": "255.0.0.0", | |
| "7": "254.0.0.0", | |
| "6": "252.0.0.0", | |
| "5": "248.0.0.0", | |
| "4": "240.0.0.0", | |
| "3": "224.0.0.0", | |
| "2": "192.0.0.0", | |
| "1": "128.0.0.0", | |
| "0": "0.0.0.0" | |
| } | |
| def short2longnet(short: str) -> str: | |
| return SUBNETS[short] | |
| def get_net(s: str) -> tuple[str, str]: | |
| return s.strip().split("/") | |
| def make_route(net: str, mask: str, dest: str) -> str: | |
| return f"route add {net} mask {mask} {dest}" | |
| def main(): | |
| google_url = "https://www.gstatic.com/ipranges/goog.json" | |
| r = requests.get(google_url) | |
| data = r.json() | |
| for pref in data["prefixes"]: | |
| try: | |
| netblock = pref["ipv4Prefix"] | |
| net, short_mask = get_net(netblock) | |
| if int(short_mask) > 29: | |
| continue | |
| long_mask = short2longnet(short_mask) | |
| route = make_route(net, long_mask, "0.0.0.0") | |
| print(route) | |
| except KeyError: | |
| pass | |
| if __name__ == "__main__": | |
| main() |
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