IP address

American  

noun

Computers.

1. a code that identifies a computer network or a particular computer or other device on a network, consisting of four numbers separated by periods.

---

IP address British  

noun

1. computing internet protocol address: the numeric code that identifies all computers that are connected to the internet

---

IP address Scientific  

1. The numerical sequence that serves as an identifier for an Internet server. An IP address appears as a series of four groups of numbers separated by dots. The first group is a number between 1 and 255 and the other groups are a number between 0 and 255, such as 192.135.174.1. Every server has its own unique address.

---

Example Sentences

See Examples For:

IP address

The court heard that MacPherson was arrested after police identified his IP address as being used to share the material online.

From BBC ● Aug. 20, 2026

The threat at the Pasadena hospital was received from an IP address at 5:40 a.m., prompting police officers, fire personnel and K-9 units to search the hospital, according to city spokesperson Lisa Derderian.

From Los Angeles Times ● Aug. 8, 2026

High Country News was unable to determine the platform’s owner or the owner of its website’s IP address; the website is opaque, with no contact information listed.

From Slate ● Jun. 30, 2026

It appears as though the couple works from a single account on the same computer, logged in under one IP address.

From The Wall Street Journal ● Jun. 28, 2026

He assured us that the IT department was working overtime to try to identify the IP address of the computer used in the anonymous emails.

From "Here to Stay" by Sara Farizan