IP Judge ipjudge.org
IP under review
13.57.221.4
Proxy / VPNAmazon.com
United States San Jose
PROXY
Missing ipapi.is; the result may be less accurate; not rated.
Purity
70 / 100 · Unrated
Risk checks
0 hit
8 checked · 2 not checked
Operator
Unknown
Location agreement What each geolocation database says
DB-IPUnited StatesSan Jose · California
IPinfoUnited Statesno city in this tier
MaxMindUnited Statesno city in this tier
Same country; the databases that supply a city also agree on it.
Watch this IP: it is rechecked daily and you get an email when its type, purity score, blocklist hits or platform verdicts change (free, up to 5 IPs).
Rule baseline Computed from our own rules, not an industry average
An IP that only loses its type points scores 70 (this one is classified as Proxy / VPN). There are no other deductions.
Score deductions What was deducted, why, and which source said so
- Proxy−30The exit is flagged as a proxy / VPN from proxycheck
AI platforms by the regions OpenAI, Anthropic, Google and Meta each list (Muse: the known US and Canada launch)
This page judges the queried IP by its region and network type; it does not measure the exit you use when visiting the platform. The home page checks the diagnostic request exit and response for some platforms. Account sign-in, chat and API inference are not verified.
MuseNot suitableFlagged as proxy / VPN; a Muse sign-up is very likely to be refused
ClaudeNot suitableFlagged as proxy / VPN; likely to be challenged or restricted
ChatGPTNot suitableFlagged as proxy / VPN; likely to be challenged or restricted
GeminiNot suitableFlagged as proxy / VPN; likely to be challenged or restricted
Gemini APISuitableRegion is on Google’s list for the Gemini API / AI Studio (a separate list from the web app)
Use cases a fit score, not a success rate; each use case has its own weights — see Method
TikToksign-up, account warm-up, liveUsable, may be challenged · 60flagged as proxy / VPN −40
E-commerce storesAmazon, Shopee, eBay seller centersUsable, may be challenged · 60flagged as proxy / VPN −40
Social accountsFacebook, Instagram, XUsable, may be challenged · 65flagged as proxy / VPN −35
StreamingNetflix, Disney+ and othersUsable, may be challenged · 60flagged as proxy / VPN −40
PaymentsPayPal, Stripe, foreign cardsUsable, may be challenged · 55flagged as proxy / VPN −45
Gamingoverseas game serversSuitable · 85flagged as proxy / VPN −15; latency matters most, and isn’t measured here
Evidence
- proxycheckSays “VPN / hosting” (second opinion: can confirm a proxy flag, and types the IP when the main source is unavailable)
- X4BNet DC listListed in public datacenter ranges
- Reverse DNSec2-13-57-221-4.us-west-1.compute.amazonaws.com (looks like datacenter / cloud servers)
- Reverse DNSSampled 32 addresses in the same /24: 32 have reverse DNS, mostly named like datacenter / cloud servers
- RDAP registryNetwork AT-88-Z, registrant Amazon Technologies Inc.
- PeeringDBThe network registers itself as an enterprise network (reference only)
Reduced result: reduced data source quota.
Risk checks ✕ hit · ✓ clear · – not checked this time
ProxyVPNTor exitAbuse recordCrawlerBlocklist · SpamCopBlocklist · PSBLBlocklist · UCEPROTECT L1Blocklist · DroneBLBlocklist · s5h