La maggior parte dei database degli IP include colonne per "Intervallo IP iniziale" e "Intervallo IP finale." I valori di queste colonne sono generalmente rappresentati da numeri interi a 8 cifre. Gli indirizzi IP dei dati saranno probabilmente nel formato di una stringa numerica composta da nove cifre e separata da punti. Ad esempio, 1.23.456.789. Per determinare la posizione dell'indirizzo IP, dovrai convertire quest'ultimo in un numero intero e determinare l'intervallo di IP all'interno del quale è presente.
Innanzitutto, crea due join tra i dati del tuo indirizzo IP e il database degli indirizzi IP.(INT(
LEFT([IP Address],(FIND([IP Address], ".")))
))*16777216+
(INT(
LEFT(
MID([IP Address],
FIND([IP Address],".")+1),
FIND(MID([IP Address],FIND([IP Address],".")+1),".")-1)
))*65536+
(INT(
MID([IP Address],
FIND([IP Address], ".", FIND([IP Address], ".") +1)+1,
(FIND([IP Address], ".", FIND([IP Address], ".", FIND([IP Address],"." ) +1) +1)) - (FIND([IP Address], ".", FIND([IP Address], ".") +1))-1
)
))*256+
(INT(
RIGHT([IP Address],
LEN([IP Address]) -
FIND([IP Address], ".", FIND([IP Address], ".", FIND([IP Address],"." ) +1) +1)
)(INT(
LEFT([IP Address],(FIND([IP Address], ".")))
))*16777216+
(INT(
LEFT(
MID([IP Address],
FIND([IP Address],".")+1),
FIND(MID([IP Address],FIND([IP Address],".")+1),".")-1)
))*65536+
(INT(
MID([IP Address],
FIND([IP Address], ".", FIND([IP Address], ".") +1)+1,
(FIND([IP Address], ".", FIND([IP Address], ".", FIND([IP Address],"." ) +1) +1)) - (FIND([IP Address], ".", FIND([IP Address], ".") +1))-1
)
))*256+
(INT(
RIGHT([IP Address],
LEN([IP Address]) -
FIND([IP Address], ".", FIND([IP Address], ".", FIND([IP Address],"." ) +1) +1)
)
))001458025
60 KB
40 KB

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