Ip Utils Laravel Package

Product Decisions This Supports

• Build vs. buy for IP-handling primitives. Any feature that validates, normalizes, parses, or range-matches IP addresses (CIDR, hyphenated ranges, IPv6 shorthand) is a well-trodden problem where homegrown code is a known source of security bugs. This package lets you not build that, so engineering time goes to the product surface instead of bitwise IPv6 math.
• Abuse, trust & safety, and access-control roadmaps. Directly enables: IP blocklists and range blocks (the MediaWiki use case), per-IP rate limiting keys, allowlist/denylist gates, suspicious-login and fraud signals, and audit-log enrichment. If a T&S or platform-integrity initiative is on the roadmap, this is a credible building block.
• Compliance and privacy feature scoping. Normalizing and canonicalizing IPs is a prerequisite for consistent retention, redaction, and pseudonymization workflows (GDPR/CCPA-style requests, log scrubbing, data-subject lookups). It does not anonymize for you — scope that separately — but it makes "same IP, different representation" tractable.
• Scope cuts on IPv6. If the product currently only accepts IPv4 because "IPv6 is hard," this package removes that excuse cheaply; supporting IPv6 in admin tooling and blocklists becomes a small ticket rather than an epic.
• Ecosystem-alignment decision. If you operate in or integrate with the MediaWiki/Wikimedia world (extensions, mirrors, tooling), adopting the same library the platform uses reduces behavioral drift between your logic and theirs.
• Roadmap de-prioritization. Because the hard part is solved by a mature, dependency-free library, geolocation, proxy/VPN detection, and ASN enrichment stay explicitly out of scope here and get evaluated as separate buys (MaxMind et al.) rather than being smuggled into an IP-parsing ticket.

When to Consider This Package

Adopt when most of the following hold:

• You need correctness over breadth: parse/validate/normalize, single IPs and CIDR/ranges, IPv4 and IPv6, including the gnarly edge cases (leading zeros, compressed IPv6, range arithmetic).
• You want a zero-dependency, pure-PHP library — no extensions, no external services, no data files to ship or refresh.
• The use is server-side and internal (authorization checks, blocklists, log processing), not a customer-facing API contract you'd need to version independently.
• GPL-2.0 is acceptable to your legal posture — i.e., your product is GPL-compatible, internal-only (never distributed), or you've had counsel confirm the linkage model. This is the gating question, not a footnote: for a distributed proprietary product, copyleft on a linked library is a real risk and typically a stop sign.
• You value battle-testing over popularity metrics. The 7 GitHub stars are misleading — this is a Gerrit mirror of code exercised at Wikipedia scale; judge it by the MediaWiki dependency graph, not the mirror's star count.
• You're comfortable with a narrow, stable surface that changes rarely, and you can pin a version and move on.

Look elsewhere when:

• License is incompatible — this alone disqualifies it for many commercial products; treat GPL-2.0 as the first filter, before any technical evaluation.
• You need geolocation, ASN, VPN/proxy/Tor detection, or threat-intel reputation — this library is arithmetic and parsing only; go to a data vendor.
• You need IP anonymization/truncation as a product feature with policy-driven rules; you'll build that on top, and should scope it explicitly.
• You need first-class maintainer support, SLAs, or an active standalone roadmap — the mirror has no independent release cadence or issue tracker; contribution flows through Wikimedia's Gerrit, which is a poor fit for an external team's support expectations.
• Your stack is not PHP/Laravel (obviously), or you're on a PHP version outside the library's supported range — verify composer.json constraints before committing.
• You only need a one-liner like filter_var($ip, FILTER_VALIDATE_IP) — for a single validation call, a dependency (and a license review) is overkill.

How to Pitch It (Stakeholders)

To executives: This is a small, free, dependency-free library that gives us correct IP address and IP-range handling — the plumbing behind blocklists, rate limiting, access control, and audit logs — without us writing and maintaining that logic ourselves. It is the same code Wikimedia runs at Wikipedia scale, so the security-sensitive parsing is already hardened. The decision to make is commercial, not technical: it is GPL-2.0 licensed, so Legal must confirm it fits our distribution model before we build on it. Cost is near zero; the value is avoided security defects and a faster path to IPv6 support.

To engineering: Pure-PHP, no extensions or data files, handles IPv4/IPv6 parsing, normalization, CIDR and hyphenated-range matching, and the edge cases we'd otherwise get wrong. It's a Gerrit mirror of MediaWiki's IPUtils, so it's mature and stable rather than trendy — expect a small API surface, infrequent changes, and no vendor support channel. Pin the version, wrap it behind our own thin interface so the GPL dependency stays swappable, and keep geolocation/proxy-detection requirements out of this layer.

Recommendation: Worth a spike if the license clears. Evaluate in an afternoon against your actual blocklist and access-control requirements, isolate it behind an internal abstraction, and decide before it silently becomes load-bearing.