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---
import Cidr from "../components/Cidr";
import { faqs } from "../content/faqs.ts";
import "../styles/global.css";
import { GOOGLE_ANALYTICS_ID } from "../config";
const metadata = {
title: "Interactive visual CIDR and IP range calculator",
description:
"Instantly compute and visualize CIDR subnets, IP ranges and masks. Free online tool for accurate network design, planning and IT education.",
};
const faqJsonLd = {
"@context": "https://schema.org",
"@type": "FAQPage",
mainEntity: faqs.map(({ q, a }) => ({
"@type": "Question",
name: q,
acceptedAnswer: { "@type": "Answer", text: a },
})),
};
---
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" type="image/x-icon" href="/ico/favicon.ico" />
<link
rel="apple-touch-icon"
sizes="180x180"
href="/ico/apple-touch-icon.png"
/>
<link
rel="icon"
type="image/png"
sizes="192x192"
href="/ico/icon-192.png"
/>
<link
rel="icon"
type="image/png"
sizes="512x512"
href="/ico/icon-512.png"
/>
<link rel="manifest" href="/manifest.json" />
<meta name="theme-color" content="#0066cc" />
<meta name="viewport" content="width=device-width" />
<title>{metadata.title}</title>
<meta name="description" content={metadata.description} />
<meta name="robots" content="index, follow" />
<link rel="canonical" href="https://cidr.xyz" />
<meta property="og:title" content={metadata.title} />
<meta property="og:description" content={metadata.description} />
<meta property="og:type" content="website" />
<meta property="og:url" content="https://cidr.xyz" />
<meta property="og:site_name" content="CIDR.xyz" />
<meta property="og:image" content="https://cidr.xyz/og-image.webp" />
<meta property="og:image:type" content="image/webp" />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<meta
property="og:image:alt"
content="Color-coded octets illustrating an IP range and CIDR mask"
/>
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content={metadata.title} />
<meta name="twitter:description" content={metadata.description} />
<meta name="twitter:image" content="https://cidr.xyz/og-image.webp" />
<script
async
src={`https://www.googletagmanager.com/gtag/js?id=${GOOGLE_ANALYTICS_ID}`}
></script>
<script define:vars={{ GOOGLE_ANALYTICS_ID }} is:inline>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", GOOGLE_ANALYTICS_ID);
</script>
</head>
<body>
<div
class="min-h-screen flex flex-col items-center justify-center bg-gradient-to-br from-blue-50 to-indigo-100 p-2"
>
<div class="max-w-6xl w-full sm:p-8 p-2 min-h-[800px]">
<h1
class="my-3 sm:my-1 text-center sm:text-left text-4xl font-bold tracking-tight text-gray-900 sm:text-6xl"
>
IP / CIDR Calculator
</h1>
<h2 class="pt-1 text-xl text-center sm:text-left text-gray-600">
Visualize and Calculate Network Ranges with IPv4 CIDR Blocks
</h2>
<Cidr client:load />
<section
id="faq-section"
class="mx-auto mt-12 max-w-3xl px-4 sm:px-0"
>
<h2 id="faq" class="mb-4 text-2xl font-bold">
CIDR & Subnetting FAQ
</h2>
<dl class="space-y-2">
{
faqs.map(({ q, a }) => (
<details class="group rounded-lg bg-white shadow-sm open:shadow-md transition">
<summary
class="flex cursor-pointer list-none items-center justify-between
rounded-lg px-4 py-3 font-semibold text-gray-900
hover:bg-gray-50"
>
{q}
<svg
class="h-5 w-5 transform text-gray-400 transition group-open:rotate-180"
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
stroke="currentColor"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M19 9l-7 7-7-7"
/>
</svg>
</summary>
<dd class="px-4 pb-4 pt-1 text-gray-700">
{a}
</dd>
</details>
))
}
</dl>
</section>
<script
type="application/ld+json"
is:inline
set:html={JSON.stringify(faqJsonLd, null, 2)}
/>
</div>
<footer class="text-xs my-4 pb-3 text-center">
<p>
Created by <a
href="https://yuv.al"
class="text-blue-600 hover:underline">Yuval Adam</a
>, operated by <a
href="https://magicmonad.com"
class="text-blue-600 hover:underline">Magic Monad</a
>. Open source available on <a
href="https://github.com/yuvadm/cidr.xyz"
class="text-blue-600 hover:underline">Github</a
>.
</p>
</footer>
</div>
</body>
</html>
|