Regarding the phrase it likely refers to one of the following contexts depending on your specific project:
: A common valid private IP might look like 192.168.1.161 .
. It allows a character to "trace an IP" or "hack a server" without inadvertently pointing the audience toward a real-world server owned by a private citizen or a corporation. It is a safety mechanism that preserves the "suspension of disbelief" for the layperson while signaling a wink to the technically literate that the world on screen is purely fictional. The Symbolism of the Non-Existent
Because no octet in an IPv4 address can exceed 255, 264.68.111.161 is invalid .

We would like to acknowledge that we are living and working with humility and respect on the traditional territories of the First Nations peoples of British Columbia.
We specifically acknowledge and express our gratitude to the keepers of the lands of the ancestral and unceded territory of the xʷməθkʷəy̓əm (Musqueam), Skwxwú7mesh (Squamish), and səl̓ilwətaɁɬ (Tsleil-Waututh) Nations, where our main office is located.
We also recognize Métis people and Métis Chartered Communities, as well as the Inuit and urban Indigenous peoples living across the province on various traditional territories.