#ipv6

Canonical DIG address-family discovery + IPv6-first happy-eyeballs (RFC 8305) dial: local stack detection + family-tagged peer candidates + the local∩peer intersection dial order that never mis-dials a family the host or peer lacks. Centralizes §5.2. (#1020)

Lightweight authoritative DNS server with UDP, TCP and DNS-over-TLS, TOML zones, and local or S3-compatible storage.

PHP版本的离线IP地址定位库

Fast, native implementation of the GeoIP API from MaxMind in JavaScript. An improved version by Sefinek, continuously maintained.

Go library for embedding Yggdrasil mesh nodes with a userspace gVisor TCP/IP stack—no TUN or root required. Includes peer management, SOCKS5, DNS, topology probing, NodeInfo querying and sigil-based publishing, and TCP/UDP forwarding.

Node module for checking if an IP address is within a CIDR range or matches another IP

A library to handle IP (both IPv4 and IPv6) addresses in a modern and productive way.

Fast, immutable IPv4/IPv6 CIDR lookups for Go: membership Set + longest-prefix-match Table[V], zero-alloc queries, no dependencies

PHP Library for manipulating network addresses (IPv4 and IPv6)

🌐 An immutable IP address (IPv4, IPv6, CIDR) utility for JavaScript & TypeScript.

Less memory usage version of geoip-lite by supporting only country lookup.

Message-level reliable UDP for Go: acknowledged retries, receipts, duplicate suppression, HMAC authentication, STUN and hole punching.