Now I yet assigned my PC to a statci IP address 192.168.10.120, seemingly workable.

I do that command again:
netstat -ntap
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:50000 0.0.0.0:* LISTEN 3488/amule
tcp 0 0 192.168.122.1:53 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:4662 0.0.0.0:* LISTEN 3488/amule
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN -
tcp 0 0 192.168.10.120:50050 91.200.42.46:1176 TIME_WAIT -
tcp 0 0 192.168.10.120:39850 80.249.163.1:80 TIME_WAIT -
tcp 0 1 192.168.10.120:58732 59.24.3.173:443 SYN_SENT 3556/firefox
tcp 0 1 192.168.10.120:58734 59.24.3.173:443 SYN_SENT 3556/firefox
tcp 0 0 192.168.10.120:39852 80.249.163.1:80 TIME_WAIT -
tcp 0 0 192.168.10.120:39858 80.249.163.1:80 TIME_WAIT -
tcp 0 0 192.168.10.120:39854 80.249.163.1:80 TIME_WAIT -
tcp 0 0 192.168.10.120:39856 80.249.163.1:80 FIN_WAIT2 -
tcp 0 0 192.168.10.102:59470 209.132.181.28:443 ESTABLISHED 3369/reporter-urepo
tcp 0 0 192.168.10.120:39848 80.249.163.1:80 TIME_WAIT -
tcp 0 0 192.168.10.120:39842 80.249.163.1:80 ESTABLISHED 3556/firefox
tcp 0 0 192.168.10.120:34368 212.83.184.152:7111 ESTABLISHED 3488/amule
tcp6 0 0 :::3306 :::* LISTEN -
tcp6 0 0 :::50000 :::* LISTEN 3488/amule
tcp6 0 0 ::1:631 :::* LISTEN -