irule based on client IP address

Currently URL A is pointing to IP X.

All machine is using URL A to access to IP X.

Now 2 machine wanted to use URL A to go to IP Y.

Remaining machine still using URL A to point to IP X

Below irule created , will it work ?.

when DNS_REQUEST {

if { [IP::addr [IP::client_addr] equals "Machine A IP"] || [IP::addr [IP::client_addr] equals " Machine B IP"] } {

  pool DR_HPNS_10.72.134.53_POOL member <Name of Member>

   log "PROD detected - From IP: [IP::client_addr]"

}else {       

         pool pool3

}

}