AS4224

Name: AS4224 — The Calyx Institute
Creator: ipdex

The Calyx Institute Education registered in United States

2IPv4 prefixes

1IPv6 prefixes

33%RPKI-valid

#13,822AS Rank

326/327RIS visibility

#7,302Rank in United States

1995-01-09Allocated

The Calyx Institute (AS4224) — Education, registered in United States. announces 2 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #7302. Allocated: 1995-01-09.

IPv4 2IPv6 1

Announced prefixes · 3

v4 162.247.72.0/24 unknown
v4 185.220.103.0/24 valid
v6 2602:fef9:100::/48 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 2 IPv4 · 1 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	3
2026-06-13	3

Internet Exchanges · 1

NYIIX New York New York 1 Gbps

AS topology · Customer cone 1

Providers · 1

AS6939 Hurricane Electric LLC

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS4224 on ipdex](https://ipdex.io/badge/asn/4224.svg)](https://ipdex.io/asn/AS4224/)

HTML

<a href="https://ipdex.io/asn/AS4224/"><img src="https://ipdex.io/badge/asn/4224.svg" alt="AS4224 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/4224" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.