IP Check GuidesFeatured
IP Reputation Check: Risk Scores, Blocklists and Proxy Tags
Learn what IP risk scores, blocklist entries and proxy labels actually mean, which evidence to compare, and why no reported risk does not prove safety.
13 min read
Ideas for a clearer internet.
Practical guides, technical insights and updates from CHA.LA.
IP Lookup and Network Diagnostics
RDAP, ASN, BGP and RPKI: What IP Lookup Data Can Prove
Understand IP registration, autonomous systems, BGP routes and RPKI origin validation. Learn why registry countries and Anycast do not reveal a user’s location.
16 min read
IP Reputation and Risk
/24 Subnet Reputation: Coverage, Risk Rates and Unknown IPs
Use a 256-address example to distinguish sample risk rates from subnet coverage. Learn why a few flagged IPs cannot establish the reputation of a whole /24.
16 min read
IP Reputation and Risk
IP Flagged as a VPN or Proxy? How to Check a False Positive
Understand VPN, proxy, Tor and hosting labels. Check shared exits and outdated records, then gather evidence for the website or data provider to review.
17 min read
IP Lookup and Network Diagnostics
Public IP Lookup and CGNAT: How to Check Your Connection
Compare your router WAN address with your public IPv4 and IPv6. Learn the clues for CGNAT, what port forwarding can do and what to confirm with your ISP.
18 min read
IP Check Guides
Website Opens but the Test Fails: CORS, 403 and Timeouts
Troubleshoot failed website connectivity checks across DNS, TLS and HTTP. Understand CORS, status 403 and timeouts before concluding that your IP is blocked.
12 min read
IP Check Guides
WebRTC, DNS and IPv6 Leak Tests: How to Read the Results
Check WebRTC, DNS and IPv6 paths before and after connecting to a VPN. Distinguish private addresses and resolver data from evidence of an actual leak.
13 min read
IP Check Guides
Residential, ISP-Hosted and Datacenter IPs: Key Differences
Compare residential, ISP-hosted and datacenter IP labels. Learn why ISP ownership, a static address or matching country data does not prove a home connection.
11 min read
IP Check Guides
Wrong IP Location? How to Check and Correct Geolocation
See why IP lookup tools show different cities or countries, distinguish registry data from location estimates, and prepare a geolocation correction request.
13 min read
IP Check Guides
IP Blocklists and Repeated CAPTCHAs: Troubleshooting Guide
Find out whether an IP blocklist, website rule or browser problem is causing repeated CAPTCHAs, and gather the evidence needed to request a review.
11 min read