URLhaus
Anti-Malware
Bulk queries and Download Malware Samples
No keyHTTPS
IPWhois.net Blacklist
Community IP blacklist to check and report abusive IP addresses
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 401ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for IPWhois.net Blacklist. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://ipwhois.net/ENDPOINT" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Where this listing comes from
Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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IPWhois.net Blacklist — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is IPWhois.net Blacklist free to use?
IPWhois.net Blacklist is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
Does IPWhois.net Blacklist need an API key?
No. We called IPWhois.net Blacklist on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Can I call IPWhois.net Blacklist from browser JavaScript?
Not directly. IPWhois.net Blacklist did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Is IPWhois.net Blacklist still working?
Yes, as of 2026-09-18. Our automated check reached IPWhois.net Blacklist and recorded a 100% reliability score with a median response time of 401 ms. We re-check on a schedule, and this page updates with the result.
Is IPWhois.net Blacklist available over HTTPS?
Yes. IPWhois.net Blacklist serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.