IP Judge ipjudge.org
Residential IP check
Enter the IP you were given and see whether it is a real home connection, native or broadcast, and whether it carries proxy or blocklist flags.A check looks at the IP itself, not the seller's description. Enter the IP in the lookup box above (or connect through it and open this page). You get the type, native / broadcast status, the purity score and every piece of evidence behind them. For several IPs, use the command line: curl -s ipjudge.org/en/ip/THE_IP.
Checking your network exit…
Start hereThe first suggested action appears when checks finish.
US home broadband IP
One-tap connect · no VPS needed
Learn more →
Ad
opens in a new tab
Can you use these AI platforms?
By each company’s official regions + the exit you actually reach them from
Next step
Based on what your exit actually showsHow to fix
Most serious first · what happened → how to fix itWhen all checks finish, issues and fixes are listed here, most serious first.
Who sees which of your IPs
Grouped by exitShown when the checks finish.
IP details
The exit that opened this siteLooking up…
Browser and connection checks
13 checks · tap for details · run only between your browser and our probeShow all 13 checks
Proxies often route by domain: the IP that opened this site is not necessarily the one Claude or ChatGPT sees. The first two checks ask claude.ai and chatgpt.com directly.
What to look at, in order
1. Type: only “Residential IP” means a home connection. “ISP IP” means the address belongs to a carrier but there is no public evidence that it is home broadband. “Datacenter IP” and “Proxy / VPN” are not residential. 2. Native / broadcast: whether the registered country of the block matches where the IP is located. A broadcast IP loses no purity points, but region-based platforms may treat it differently. 3. Purity: proxy flags, blocklist hits and abuse records, each listed with its source on the detail page. 4. Check again later: results are kept for 24 hours, so a second look the next day shows whether a flag is stable; signed-in users can watch the IP and get an email when it changes. Full rules: how we judge.
curl -s ipjudge.org/en/ip/203.0.113.10 # replace with the IP to verify
FAQ
How do you tell whether an IP is really residential?
In two steps. First, what the databases say about the IP and its network (carrier, datacenter, mobile, business). Then public evidence: whether reverse DNS follows a home-broadband pool pattern (adsl-…, pool-…, cm…), and whether the RDAP registration points to a hosting provider. If the databases say residential but neither the IP nor its neighbours show home-broadband naming, we call it an “ISP IP”, not a “Residential IP”. Every piece of evidence is listed on the detail page.
What is the difference between “ISP IP” and “Residential IP”?
A Residential IP has evidence of home broadband. An ISP IP belongs to a carrier network without public evidence that it is a home line; it may be one, or it may be an address the carrier sells to businesses or hosting. Neither loses type points here. The difference is the strength of evidence, and it is worth asking the seller about.
Is a native IP better than a broadcast one?
Native means the whois country of the block matches where the IP is located; broadcast means it does not, typically a block registered in one country and routed in another. That alone does not show abuse, so it costs no purity points. Platforms that decide by region may still place it in the registered country. See the method page.
Why do different checkers disagree about the same IP?
They use different sources and rules. Ours are public on the method page: a single source flagging a proxy is not enough (we have seen home lines mislabelled), and being hosted is not treated as evidence of proxy use. When results differ, compare the specific evidence each site lists rather than the score.
Does a high score mean the IP I bought will work well?
No. The score reflects risk flags in public data. It cannot see whether the IP is really sold only to you, which accounts used it before, or how a platform labels it internally. A high score is necessary, not sufficient. See shared vs dedicated IPs.
How do I send the result to the seller or buyer?
Use “Create a share link” on the result card. The link shows only part of the IP, lasts 90 days and is not indexed. You can also save the result as an image. The other party sees the verdict as it was at that time, not a live re-check.
Related guides
These go deeper on the problems aboveWhich exit do Claude Code / Codex use?
A clean browser doesn’t mean a clean terminal. Run this in your terminal:
curl -sL ipjudge.org/en/cc | bash
Is the residential IP you bought really a home line?
The check looks at the IP itself, not the seller’s description: type, native or broadcast, blocklists and proxy flags, each with its evidence. For several IPs:
curl -s ipjudge.org/en/ip/THE_IP