elasticsearch/docs/reference/esql/functions/cidr_match.asciidoc

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[discrete]
[[esql-cidr_match]]
=== `CIDR_MATCH`
Returns `true` if the provided IP is contained in one of the provided CIDR
blocks.
`CIDR_MATCH` accepts two or more arguments. The first argument is the IP
address of type `ip` (both IPv4 and IPv6 are supported). Subsequent arguments
are the CIDR blocks to test the IP against.
[source,esql]
----
FROM hosts
| WHERE CIDR_MATCH(ip, "127.0.0.2/32", "127.0.0.3/32")
----