ALTER FUNCTION [dbo].[f_Int2IP](
@IP bigint
)RETURNS varchar(16)
AS
BEGIN
    DECLARE @re varchar(16)
    SET @re=''
    SELECT @[email protected]+'.'+CAST(@IP/ID as varchar)
        ,@[email protected]%ID
    from(
        SELECT ID=CAST(16777216 as bigint)
        UNION ALL SELECT 65536
        UNION ALL SELECT 256
        UNION ALL SELECT 1)a
    RETURN(STUFF(@re,1,1,''))

END

ALTER function [dbo].[f_IP2Int] (@ip varchar(16))returns bigint
as
begin
set @[email protected]+'.'
declare @pos tinyint
declare @num bigint
declare @bin bigint,@off bigint
set @bin=16777216 
set @off=0
set @num=0
while @bin>=1
 begin
  set @[email protected]+1
  set @off=charindex('.',@ip,@pos)
  set @

[email protected]+convert(bigint,substring(@ip,@pos,@[email protected]))*@bin
  set @[email protected]/256
 end
return @num
end