lsof -i -P -n | head -1;lsof -i -P -n | grep app
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
cmd 12328 app 37u IPv6 61967 0t0 TCP *:443 (LISTEN)
cmd 12328 app 51u IPv6 144140 0t0 TCP 10.180.189.145:443->10.196.103.127:50130 (ESTABLISHED)
cmd 12328 app 55u IPv6 150225 0t0 TCP 10.180.189.145:443->10.196.103.127:51276 (ESTABLISHED)
cmd 12328 app 56u IPv6 151870 0t0 TCP 10.180.189.145:443->10.196.103.127:51461 (ESTABLISHED)
cmd 12328 app 59u IPv4 148170 0t0 TCP 127.0.0.1:54134->127.0.0.1:38731 (ESTABLISHED)
cmd 12328 app 60u IPv6 154461 0t0 TCP 10.180.189.145:443->10.196.103.127:51891 (ESTABLISHED)
cmd 12328 app 62u IPv6 155675 0t0 TCP 10.180.189.145:443->10.196.103.127:51587 (ESTABLISHED)
cmd 12328 app 67u IPv6 156368 0t0 TCP 10.180.189.145:443->10.196.103.127:52154 (ESTABLISHED)
cmd 12328 app 68u IPv4 144145 0t0 TCP 127.0.0.1:36034->127.0.0.1:38731 (ESTABLISHED)
cmd 12328 app 71u IPv4 155364 0t0 TCP 127.0.0.1:58592->127.0.0.1:38731 (ESTABLISHED)
cmd 14853 app 13u IPv6 75169 0t0 TCP *:38731 (LISTEN)
cmd 14853 app 40u IPv6 155649 0t0 TCP 127.0.0.1:38731->127.0.0.1:54134 (ESTABLISHED)
cmd 14853 app 44u IPv6 146022 0t0 TCP 127.0.0.1:38731->127.0.0.1:36034 (ESTABLISHED)
cmd 14853 app 55u IPv6 157193 0t0 TCP 127.0.0.1:38731->127.0.0.1:58592 (ESTABLISHED)