netstat问题--在线等待答复，谢谢

我用如下命令，得到很多连接自己的信息（我自己的机器的IP是172.16.16.167），请问1544是什么端口来的，我这样的情况是否正常？
netstat -an -p tcp

TCP 172.16.16.167:1544 172.16.16.167:2635 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3122 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3123 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3124 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3125 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3127 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3128 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3131 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3351 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3354 ESTABLISHED
TCP 172.16.16.167:1544 172.16.16.167:3355 ESTABLISHED
TCP 172.16.16.167:3354 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3355 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3356 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3359 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3360 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3383 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3384 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3385 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3386 172.16.16.167:1544 ESTABLISHED
TCP 172.16.16.167:3387 172.16.16.167:1544 ESTABLISHED