From the below example you can see status of ports of 161 and 22 .
Same way you can change it to your port number and grep .
[root@linuxtechnotes ~]# netstat -tunlap | grep -i 161
udp 0 0 0.0.0.0:161 0.0.0.0:* 9474/snmpd
[root@linuxtechnotes ~]#
[root@linuxtechnotes ~]# netstat -tunlap | grep -i 22
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 7544/sshd
tcp 1 0 192.168.150.129:54189 23.59.189.83:80 CLOSE_WAIT 26225/clock-applet
tcp 0 64 192.168.150.129:22 192.168.150.1:53360 ESTABLISHED 5996/sshd
tcp 0 0 :::22 :::* LISTEN 7544/sshd
[root@linuxtechnotes ~]#
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