IP Lookup Guide: How to Find Your Local & Public IP

Whether you are configuring network devices, troubleshooting connection issues, or ensuring the security of your network environment for cross-border e-commerce operations, accurate IP lookup provides essential data support.

This article covers detailed methods for checking your IP address across different operating systems, and explores how to uncover deeper network insights using professional tools.

Why Do We Need to Check IP Addresses?

An IP address (Internet Protocol Address) is a logical address assigned to devices on an IP network, enabling communication and data transfer between them.

By performing an IP lookup, we can obtain insights into:

Network Diagnostics: Confirming whether a device successfully connects to the local network (LAN) or the internet.

Geolocation: Identifying the country, city, and geographic coordinates of a visitor or a server.

Network Property Identification: Determining whether the current IP is a residential, data center, or mobile IP, and identifying if it is being routed through a proxy server or Virtual Private Network (VPN).

Security Protection: Preventing network attacks by checking the origin and risk status of anomalous IP addresses.

How to Find Your Local (LAN) IP Address

The steps to check your local (internal) IP address vary depending on your operating system:

1. Windows System

Method 1: Command Prompt (CMD)

Press Win + R, type cmd, and hit Enter.

In the pop-up window, type ipconfig and press Enter.

Scroll through the network adapter details that appear and locate the "IPv4 Address" field. The numbers next to it (usually starting with 192.168 or 10.) represent your computer's IP address within the local network.

Method 2: Settings Interface

Go to "Settings" -> "Network & Internet". Click "Properties" under your currently active network (Wi-Fi or Ethernet), and you will find the IPv4 address directly listed as you scroll down.

2. Linux System

In the Linux terminal, you can run the following commands based on your distribution:

Type ip addr or its shorthand ip a (recommended for modern Linux systems).

Type ifconfig (for older distributions; might require installing net-tools first).

Type nmcli device show to view more detailed network interface and connection status information.

How to Check Your Public IP and Deep Network Data

The address you find locally is usually a private IP, whereas the address you present to the wider internet is your public IP.

While finding your public IP is straightforward, looking up detailed network parameters like geolocation, ASN, and ISP typically requires a professional third-party IP database.

1. Basic Public IP Lookup

You can simply search "my IP" or "what is my IP address" in any web browser, and various websites will instantly display your public gateway IP.

2. Advanced Network Detection and Environment Assessment

For users engaged in cross-border e-commerce (such as managing Instagram or TikTok accounts), basic location lookup is far from enough.

Using the IP Lookup Tool provided by ToDetect, you can gather high-value insights including:

IP Type Identification: Identifying whether an IP is residential, commercial, or residential-ISP proxy, which serves as a valuable reference for account environment management and overseas business deployment.

Granular Geolocation: Accessing ASN (Autonomous System Number), ISP (Internet Service Provider), and pinpoint accuracy down to specific cities or even districts.

Risk and Quality Evaluation: Checking if the IP is blacklisted, testing for DNS leaks, and identifying if it is flagged by anti-fraud risk engines as a proxy or hosting IP.

Static IP vs. Dynamic IP

When performing IP checkups, you might notice your IP address changes from time to time.

Dynamic IP: Temporarily assigned by an ISP (Internet Service Provider), this address changes periodically and is standard for regular home users.

Because the IP changes frequently, it is less suited for tying a single user to a fixed identifier over the long term; however, this does not inherently mean dynamic IPs offer superior security.

Static IP: Remaining constant over long periods, static IPs generally require an application with your ISP and incur extra fees. They are ideal for enterprise servers, web hosting, and cross-border store management where network stability is mission-critical.

Frequently Asked Questions (FAQ)

Q1: Why does the IP lookup location differ from my physical location?

IP geolocation is estimated by professional IP databases using aggregated data, including regional internet registries, ISP data, and third-party location tables. Therefore, the results may occasionally show discrepancies.

City-level location accuracy can drop in certain regions, especially when using cellular networks (4G/5G). Due to base station routing and core network gateways, mobile IP locations frequently drift to neighboring cities or provinces.

Additionally, active proxy routing or VPN connections will skew location accuracy.

Q2: Can someone compromise my privacy if they know my IP address?

Through standard IP lookup tools, others can only discover your network provider, approximate city location, and backbone network hubs. They cannot directly access your name, phone number, or exact street address.

Q3: How do I hide my real IP address?

Common methods include using Virtual Private Networks (VPNs) or high-quality proxy servers. By masking your actual public IP and using a different gateway IP to browse the web, you can significantly enhance your daily online privacy.