Figure 2: Changing the output to numeric form

# netstat -n
Active Internet connections
Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)
tcp        0    105  197.9.200.3.513        197.9.200.7.1023       ESTABLISHED
tcp        0      0  197.9.200.3.513        197.9.200.13.1018      ESTABLISHED
tcp        0      0  197.9.200.3.513        197.9.200.15.1022      ESTABLISHED
tcp        0      0  197.9.200.3.513        197.9.200.11.1023      ESTABLISHED
udp        0      0  197.9.200.3.1027       197.9.200.1.*
#