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.

Oct 13, 202616 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.

Oct 13, 202618 min read