How to find the IP address to run the jenkins outside the host

Hi Experts,

kindly help me to understand the IP mapping, i was seeing your lecture (Demo: Advance Docker Run features) how can i find the IP address to run the jenkins outside the host. in the video IP was 192.168.1.14

looking forward to your response.

Regards,
Zia

@vijin.palazhi kindly help me to understand this.