Dev Tools · 1h ago
IPv4 vs IPv6: What Developers Need to Know About IP Addresses
IPv4 uses 32-bit addresses, capping at 4.3 billion, while IPv6 uses 128-bit addresses for virtually unlimited capacity. Private IPs (e.g., 192.168.x.x) stay local, while public IPs are shared via NAT. Developers must handle proxy headers like X-Forwarded-For to get the real client IP in backend code.
Meridian48 take
A solid primer for devs, but the IP-checker tool promotion feels like filler; the real value is the practical proxy-handling code snippet.
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What Is My IP Address? IPv4 vs IPv6 Explained for DevelopersPublished →
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