Refer to list of internal proxies in reference documentation

See gh-30461

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/webserver.adoc

@@ -452,7 +452,7 @@ If you use Tomcat, you can additionally configure the names of the headers used
 ----
 
 Tomcat is also configured with a default regular expression that matches internal proxies that are to be trusted.
-By default, IP addresses in `10/8`, `192.168/16`, `169.254/16` and `127/8` are trusted.
+See the `server.tomcat.remoteip.internal-proxies` property in section <<application-properties#appendix.application-properties.server>> for more details.
 You can customize the valve's configuration by adding an entry to `application.properties`, as shown in the following example:
 
 [source,yaml,indent=0,subs="verbatim",configprops,configblocks]