- Fix GetPrefixDistribution to count unique prefixes using COUNT(DISTINCT prefix) instead of COUNT(*)
- Add /prefixlength/<length> route showing random sample of 500 prefixes
- Make prefix counts on status page clickable links to prefix length pages
- Add GetRandomPrefixesByLength database method
- Create prefix_length.html template with sortable table
- Show prefix age and origin AS with descriptions
- Implement handleIPRedirect handler that looks up the prefix containing an IP
- Add /ip/{ip} route to routes.go
- Reuse existing GetASInfoForIP database method which returns prefix info
- Redirect to /prefix/<prefix> page with HTTP 303 See Other status
- Handle invalid IPs (400) and IPs with no route (404)
- Move all handler functions to handlers.go
- Move setupRoutes to routes.go
- Clean up server.go to only contain core server logic
- Add missing GetASDetails and GetPrefixDetails to mockStore for tests
- Fix linter errors (magic numbers, unused parameters, blank lines)
