Fix wrong value returned by cidr_to_ipv6 function

Author: ip2location

IP2Location/iptools.py

@@ -187,31 +187,15 @@ def ipv6_to_cidr(self, from_ip, to_ip):
     def cidr_to_ipv4(self, cidr):
         if '/' not in cidr:
             return
-        net=ipaddress.ip_network(u(cidr))
+        net = ipaddress.ip_network(u(cidr))
         return({"ip_start": str(net[0]), "ip_end": str(net[-1])})
 
     def cidr_to_ipv6(self, cidr):
         if '/' not in cidr:
             return
-        parts = cidr.split('/')
-        hexstartaddress = binascii.hexlify(socket.inet_pton(socket.AF_INET6, parts[0]))
-        if (len(hexstartaddress) < 16):
-            hexstartaddress = hexstartaddress.zfill(16-hexstartaddress.len())
-        bits = 128 - int(parts[1])
-        hexlastaddress = hexstartaddress
-        pos = 31
-        while (bits > 0):
-            int_value = int(hexlastaddress[pos:pos+1], 16)
-            # new = binascii.hexlify((int_value | (pow(2, min(4, bits)) - 1)).to_bytes(1, 'big'))
-            new = binascii.hexlify((int_value | (pow(2, min(4, bits)) - 1)).to_bytes(1, 'little'))[1:]
-            hexlastaddresslist = list(u(hexlastaddress))
-            hexlastaddresslist[pos] = u(new)
-            string_hexlastaddresslist = [str(int) for int in hexlastaddresslist] 
-            hexlastaddress = ''.join(string_hexlastaddresslist)
-            bits = bits - 4
-            pos = pos - 1
-        binlastaddress = binascii.unhexlify(b(hexlastaddress))
-        return({"ip_start": self.expand_ipv6(parts[0]), "ip_end": self.expand_ipv6(socket.inet_ntop(socket.AF_INET6, binlastaddress))})
+        net = ipaddress.ip_network(cidr, False)
+        # return({"ip_start": net.network_address.exploded, "ip_end": net.broadcast_address.exploded})
+        return({"ip_start": str(net[0]), "ip_end": str(net[-1])})
 
     def compressed_ipv6(self, ip):
         if self.is_ipv6(ip) is False:

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
 	name="IP2Location",
-	version="8.10.0", 
+	version="8.10.1", 
 	author="IP2Location",
 	author_email="[email protected]",
 	description="This is an IP geolocation library that enables the user to find the country, region, city, latitude and longitude, ZIP code, time zone, ISP, domain name, area code, weather info, mobile info, elevation, usage type, address type and IAB category from an IP address. It supports both IPv4 and IPv6 lookup.",