Free IP address checker — proxy, VPN, Tor, fraud score & geolocation
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Lookup result
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66.187.40.215
🇺🇸Oxford, Wisconsin, United States, 53952
Local time at IP
--:--:--America/Chicago
Risk score
ExpressFraudnoScamnoProxynoVPNnoTornoDatacenternoResidentialyesAbusenoMobileno
About IPfastcheck
Instant reputation check for any IPv4 — proxy, VPN, Tor, fraud score, abuse history, ASN, and geolocation in one request.
No IP leaks — your address is never sent to third-party analytics, trackers, or external scripts
IP change alert — if your IP changes while this tab is open, you see an instant warning
Offline alert — if your connection drops, a notification bar appears at the top of the page
Short info
Usage typeResidential
Fraud riskLow
Scam riskLow
ProxyNo
VPNNo
TorNo
Location
CountryUnited States (US)
RegionWisconsin
CityOxford
Postal53952
Coords43.7759, -89.5632
Network
ISPMARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC.
OrgAS14703 MARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC.
ASNAS14703
TypeResidential
IP versionIPv4
Visit history
No visits recorded yet.
Lookup history
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About this check
IP 66.187.40.215 (Residential) — Oxford, United States, risk score 2/100. No proxy/VPN/Tor flags.
IPfastcheck reports whether an IP address is a proxy, VPN, Tor exit node, or a hosting / datacenter address, together with a fraud and abuse risk score, blacklist status, geolocation, ASN and ISP, and whether the network is residential, mobile, or a datacenter. Enter any IPv4 or IPv6 address above to check it, or use the plain-text API: /ip returns your address, /country your country, and /ip/<address> the full record.
Use IPfastcheck to verify whether a suspicious IP address is anonymous — hiding behind a proxy, VPN tunnel, or Tor exit node. It’s useful for fraud prevention, access control, and network security auditing. Residential IPs typically belong to real users; datacenter and hosting IPs are commonly used by bots, scrapers, and automated traffic.
Frequently asked questions
An IP reputation check analyses an IP address against multiple databases and detection systems to determine whether it has been associated with malicious activity — spam, botnets, fraud — or is routing traffic through an anonymising service such as a proxy, VPN or Tor node. The result is a risk score from 0 to 100 plus individual flag checks for each threat type.
IPfastcheck cross-references the IP against commercial proxy and VPN detection databases, the official Tor exit node list, and autonomous system (ASN) data. Hosting and datacenter ASNs, known VPN provider IP ranges, and active Tor exit relays are flagged automatically in the Proxy, VPN and Tor fields.
The fraud score (0–100) estimates the likelihood that this IP is being used for fraudulent or abusive activity. A score below 25 is generally considered safe; 25–75 warrants caution; above 75 indicates high risk. It combines blacklist hits, proxy/VPN status, connection type and historical abuse signals.
Residential IPs are assigned by ISPs to home and mobile users — they belong to real people on real devices. Datacenter IPs originate from server farms and hosting providers; they are commonly used by bots, scrapers and automated tools and carry a higher baseline risk score.
Yes. IPfastcheck is free with no signup required. Enter any IPv4 address in the search box above, or visit
/ip/<address> directly. Developers can also use the plain-text API — /ip returns your current address, /country your country code — all without an API key.An anonymous IP is one that conceals the user’s real network identity. This includes open proxies, VPN exit nodes, Tor relays and some residential proxies. While anonymising services have legitimate privacy uses, they are also associated with ad fraud, account takeovers and credential stuffing attacks.
Country-level accuracy is typically above 99%. City-level accuracy varies — usually within 50 km for residential connections but can be less precise for VPN, mobile or satellite IPs. Coordinates shown are the estimated centre of the IP’s location area, not the precise physical address of the user.
No. IPfastcheck does not use third-party analytics scripts, tracking pixels or ad networks. Your IP is checked through our own infrastructure and is never sent to external trackers. If your IP changes while this tab is open, you will see an instant on-screen alert — no data leaves the page silently.
API
No key required — all endpoints are free and open.
Plain text — pipe directly into scripts
GET /ip | Your IP address |
GET /country | Country code, e.g. US |
Append
?ip=1.2.3.4 to any plain-text endpoint to query a specific address.JSON — CORS-open, full record
GET /check | Your IP — full record |
GET /short/{ip} | Any IP — full record |
Response
{"ok":true,"data":{
"ip":"1.2.3.4",
"geo":{"country":"United States","country_code":"US","region":"California",
"city":"Mountain View","zip":"94043","lat":37.386,"lon":-122.083},
"net":{"isp":"Google LLC","org":"Google Cloud","asn":"AS15169","type":"datacenter"},
"time":{"timezone":"America/Los_Angeles","utc_offset":"-07:00"},
"flags":{"proxy":false,"vpn":false,"tor":false,"hosting":true,"fraud":false,"abuse":false},
"risk":40,"verdict":{"cls":"warn","text":"Caution"}
}}
Examples
curl https://ipfastcheck.com/ip curl https://ipfastcheck.com/country?ip=8.8.8.8 curl https://ipfastcheck.com/short/1.1.1.1