| --- |
| { |
| "title": "INET_NTOA", |
| "language": "en" |
| } |
| --- |
| |
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| |
| ## INET_NTOA |
| |
| |
| |
| INET_NTOA |
| |
| |
| |
| ### description |
| |
| #### Syntax |
| |
| `VARCHAR INET_NTOA(BIGINT ipv4_num)` |
| |
| Takes a Int16, Int32, Int64 number. Interprets it as an IPv4 address in big endian. Returns a string containing the corresponding IPv4 address in the format A.B.C.d (dot-separated numbers in decimal form). |
| ### notice |
| |
| `will return NULL if the input parameter is negative or larger than 4294967295(num value of '255.255.255.255')` |
| |
| ### example |
| |
| ``` |
| mysql> select inet_ntoa(3232235521); |
| +-----------------------------+ |
| | IPV4_NUM_TO_STRING(3232235521) | |
| +-----------------------------+ |
| | 192.168.0.1 | |
| +-----------------------------+ |
| 1 row in set (0.01 sec) |
| |
| mysql> select num,inet_ntoa(num) from ipv4_bi; |
| +------------+------------------------+ |
| | num | IPV4_NUM_TO_STRING(`num`) | |
| +------------+------------------------+ |
| | -1 | NULL | |
| | 0 | 0.0.0.0 | |
| | 2130706433 | 127.0.0.1 | |
| | 4294967295 | 255.255.255.255 | |
| | 4294967296 | NULL | |
| +------------+------------------------+ |
| 7 rows in set (0.01 sec) |
| ``` |
| |
| ### keywords |
| |
| INET_NTOA, IP |