Je to ono?

/ip route print 
Flags: X - disabled, A - active, D - dynamic, 
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, 
B - blackhole, U - unreachable, P - prohibit 
 #      DST-ADDRESS        PREF-SRC        GATEWAY            DISTANCE
 0 ADS  0.0.0.0/0                          88.103.XX.XX              1
 1 ADC  192.168.88.0/24    192.168.88.1    bridge-local              0
 2 ADC  88.103.XX.XX/32    88.101.XX.XX    pppoe-out1                0