要善于利用代码实现对 IP 的访问限制

'可以进入的ip 

'218.7.44.0 - 218.7.45.253 

'61.180.240.0 - 61.180.240.253 

 

'202.118.208.0 - 202.118.223.253 

' 

'218.7.44.0 3657903103 

'218.7.45.253 3657903612 

' 

'61.180.240.0 1035268095 

'61.180.240.253 1035268348 

' 

'202.118.208.0 3396784127 

'202.118.223.253 3396788220 





ip=request.servervariables("remote_addr") 

sip=split(ip,".") 

num=cint(sip(0))*256*256*256 cint(sip(1))*256*256 cint(sip(2))*256 cint(sip(3))-1 

response.write(ip) 

response.write("<br>") 

if ((num>=3657903103 and num<=3657903612) or (num>=1035268095 and num<=1035268348) 

or (num>=3396784127 and num<=3396788220)) then 

response.write("抱歉，您的ip不合法！") 

response.End() 

else 

response.write("您的ip合法") 

end if