Troubleshooting3 min read
How to read the network information of an IP address
Prefix, ASN, registration, RPKI, reverse DNS and location: what each line of an IP lookup means, and which of them are facts and which are estimates.
Fixing connection, router and IPv6 problems step by step.
Prefix, ASN, registration, RPKI, reverse DNS and location: what each line of an IP lookup means, and which of them are facts and which are estimates.
Nothing loads, or only some sites do? A short, methodical check from your device to DNS.
Which address opens your router's admin page, how to find it if it isn't 192.168.1.1, and what to do when the login page won't load.
No IPv6 address, IPv6 that exists but doesn't work, or sites that load slowly: a checklist from your device to your provider.