int A
        Number of Flaps: 6
        IP Address: 2.2.2.2
int B
        Number of Flaps: 8
        IP Address 5.5.5.5
        unpredictable data
int C
        Number of Flaps: 9
        IP Address 9.9.9.9

##</code><code>##

  ^(?:int)\s+(\w+)\s*?\n
(?:\s*Number\sof\sFlaps:\s(\d+)\s*?\n)?
(?:\s*IP\sAddress:?\s([\d\.]+)\s*?\n)?
(?=^int|\Z)