grepcidr.py

#!/usr/bin/python3
import ipaddr, socket, cfscrape

site = 'site.com'
class grepcidr():
        def __init__(self, networks=None):
                self.ipset = set()
                if networks:
                        self.add(networks)

        def add(self, networks):
                for prefix in networks:
                        self.ipset.add(ipaddr.IPNetwork(prefix))

        def __contains__(self, other):
                host = ipaddr.IPAddress(other)
                for net in self.ipset:
                        if host in net:
                                return True
                return False


cloudflare = [
'173.245.48.0/20',
'103.21.244.0/22',
'103.22.200.0/22',
'103.31.4.0/22',
'141.101.64.0/18',
'108.162.192.0/18',
'190.93.240.0/20',
'188.114.96.0/20',
'197.234.240.0/22',
'198.41.128.0/17',
'162.158.0.0/15',
'104.16.0.0/12',
'172.64.0.0/13',
'131.0.72.0/22'
]

def cf(url):
        scraper = cfscrape.create_scraper()
        test = scraper.get(url)
        return test.content

def string(text):
        return str(b'%s', encoding='utf-8', errors='strict') %format(text)

if __name__=='__main__':
        range = grepcidr(cloudflare)
        ip = socket.gethostbyname(site)
        if (ip in range) is True:
                print("Site is cloudflare")
                test = cf("https://"+site)
                print(string(test))
        elif (ip in range) is False:
                print("Site is not cloudflare")
                wow = requests.get("https://"+site)
                print(string(wow.content))