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How to obtain the IP address CIDR block in MySQL _ MySQL

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How to obtain the IP address segment bitsCN.com in MySQL


Effect display:

The following command can be used to quickly obtain the IP address CIDR block.


Command explanation:

Inet_aton ('192. 207.224.1 ') is used to convert an IP address to a sequence.

Convert defines the sequence type as an integer.

& 0xFFFFFF00 indicates to perform and operate on the hexadecimal number of FFFF00. this operation is equivalent to a mask and can be used as a filter segment.

The inet_ntoa function converts sorted sequences into IP addresses.

BitsCN.com

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Related Keywords:
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