Loading...
Skip to content
Security Advisor Hub Community Logo
Say Hello
Security Tool • Updated for 2026

Check Your ISP & ASN

See which network you appear to be on (ISP vs VPN vs corporate), plus the ASN/organization behind your public IP — and what that means for privacy expectations.
Purpose: verify Time: < 30 seconds Best for: VPN checks + travel networks
Run the check ↓ Methodology Affiliate Disclosure

Your ISP (internet service provider) is the network that carries your connection to the wider internet. Your ASN (Autonomous System Number) is a label for the organization that “owns” the network your public IP belongs to. This tool shows the ISP/organization and ASN your traffic appears to originate from — a useful reality check when you’re using a VPN, traveling, on public Wi-Fi, or troubleshooting “why does this site think I’m somewhere else?”

Reality anchor: Seeing a VPN/hosting ASN is a good signal your VPN is routing web traffic — but it’s not a guarantee of anonymity or “no logs.”

What this tool checks (and what it doesn’t)

This tool checks
  • Your public IP (what websites can see).
  • ISP / organization associated with that IP (best-effort).
  • ASN (network operator identifier).
  • Coarse location signals (city/region/country), when available.
This tool does not check
  • Whether a VPN keeps logs (that’s audits/transparency, not an IP lookup).
  • All apps (this reflects what your browser sees; split tunneling can differ per app).
  • Tracking by cookies/fingerprinting (ISP/ASN doesn’t stop that).

Run the ISP & ASN check

Not run yet

Click “Run check” to fetch your public IP and best-effort ISP/ASN details. If your VPN is ON, keep it connected.

Public IP
—
This is the IP websites typically see.
ISP / Organization (best-effort)
—
Names can vary; treat as an indicator, not a proof.
ASN
—
ASN identifies the network operator for this IP.
Coarse location (best-effort)
—
Location can be approximate and sometimes wrong.
Advisor interpretation
Run the check to see a plain-English interpretation.

Related tools: What is my IP address? • Check if your VPN is working

How to read your results

✅ If you see your VPN provider / a hosting network

That’s usually a good sign your web traffic is exiting through the VPN. Many VPN exit IPs map to hosting providers or data-center networks, which can be normal.

🟨 If you see your home ISP while VPN is “connected”

This often means your browser traffic isn’t using the VPN tunnel. Common causes include split tunneling, VPN disconnect/reconnect issues, or the VPN only applied to certain apps.

🟦 If you see a mobile carrier ASN

On cellular data, this is normal unless your VPN is meant to be active. If you expected a VPN exit, re-check your VPN connection and any “pause on mobile data” settings.

Reminder: ISP/ASN visibility is about network identity. It doesn’t prevent tracking by cookies, logins, or fingerprinting.

Common false alarms (don’t panic)

  1. “The org name isn’t my VPN brand.” Many VPN IPs belong to hosting providers or parent entities. Names can look unfamiliar.
  2. “My location looks wrong.” IP geolocation is approximate. It can lag behind reality or be intentionally generalized.
  3. “Results change between Wi-Fi and mobile.” Different networks = different ASN/ISP. That’s expected.
  4. “The site blocks me when I’m on a VPN ASN.” Some services treat data-center IPs differently. That’s a policy issue, not necessarily a leak.

What this means for your setup

  • If you expected a VPN ASN but see your ISP: check split tunneling, reconnect VPN, then re-run the check.
  • If you’re traveling: expect ASN changes on hotel Wi-Fi vs mobile hotspots. Test on the network you actually use.
  • If streaming sites block you: your ASN may be flagged as data-center/VPN. Try another server/region.

Helpful next pages: How to test your VPN • VPN not working? fixes • Does a VPN make you anonymous?

Recommended next steps

Limitations of this tool

  • Best-effort data: ISP/org and ASN labels come from public IP intelligence and can be imperfect.
  • Browser scope: reflects the browser’s public IP path, not necessarily every app (split tunneling can differ).
  • Not a privacy proof: this can’t prove “no logs,” anonymity, or tracker blocking.
  • Blocked endpoints: some networks and privacy tools block lookup services; retry on another network if needed.

FAQ

  • What is the difference between ISP and ASN? ISP is the service brand; ASN is the network operator identifier behind the IP routes (often related, sometimes different).
  • Why does my VPN show a data-center company? Many VPN exits run on rented infrastructure. That can still be normal for VPN routing.
  • Why does my IP location look wrong? IP geolocation is approximate and can be outdated or intentionally generalized.
  • Can a website detect I’m using a VPN? Often yes — VPN exits may look like hosting/data-center networks.
  • Does this mean I’m anonymous? No. It only describes the network identity of your public IP; tracking still happens via cookies, accounts, and fingerprinting.

Trust & disclosure

This tool is educational and diagnostic. Results vary by browser, OS, device, VPN configuration, and network. Learn more: Methodology • Affiliate disclosure.