What is my ISP?
Your Internet Service Provider based on your public IP address.
About the What Is My ISP Tool
The What Is My ISP tool identifies the ISP, ASN, and network operator behind your current public IP. It's the fastest way to answer 'who is providing my internet right now?' — useful when troubleshooting connectivity, verifying a corporate VPN's exit path, checking mobile carrier routing, or confirming that a cloud instance is coming out through the expected transit provider.
ISP data is derived from the ASN (Autonomous System Number) that announces the IP block on the public internet. That's why the answer is more accurate than free-form 'company name' fields — ASN ownership is a matter of public record. Home users on Comcast see 'Comcast Cable Communications', mobile users on Verizon see 'Verizon Wireless', and cloud users on AWS see 'Amazon Technologies' or the specific region.
Combined with our IP Lookup and What Is My IP tools, this gives a complete picture of your outbound network path. It's especially useful in remote-work scenarios where you're routing through multiple layers (home ISP → VPN → cloud exit) and need to prove which segment a given connection actually came from.
How to use this tool
- 1Enter the required value in the input field above (domain, IP, URL, or text depending on the tool).
- 2Click the action button to run the check — results are computed instantly from our edge network.
- 3Review the parsed output, key fields and any warnings shown in the result card.
- 4Copy the result, share the page URL, or jump to a related tool from the sidebar to continue debugging.
Key features
- ISP name from authoritative ASN data
- Autonomous System Number surfaced
- Works for home, mobile, corporate and cloud networks
- Great for VPN and routing verification