AS203309

Name: AS203309 — Liangyi Ma
Creator: ipdex

Liangyi Ma Education registered in Japan

1IPv4 prefixes

5IPv6 prefixes

83%RPKI-valid

#57,908AS Rank

326/327RIS visibility

#363Rank in Japan

2025-11-28Allocated

Liangyi Ma (AS203309) — Education, registered in Japan. announces 1 IPv4 prefixes + 5 IPv6 prefixes. Rank in Japan: #363. Allocated: 2025-11-28.

IPv4 1IPv6 5

Announced prefixes · 6

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

Routing: 1 IPv4 · 5 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	7
2026-06-13	7
2026-06-17	6

Internet Exchanges · 10

Protocol 7 IX - Hong Kong Hong Kong 20 Gbps
CXIX - Great Lakes NewYork 10 Gbps
Protocol 7 IX - Lycheen Japan Tokyo 10 Gbps
ZXIX Hong Kong Hong Kong 10 Gbps
BGP.Exchange - Amsterdam Amsterdam 1 Gbps
Better CNIX 上海 1 Gbps
FogIXP Avers 1 Gbps
TYIX Tokyo 1 Gbps
TPIX-TW Taipei/Taiwan 200 Mbps
Kawaii IX AMS Amsterdam 100 Mbps

AS topology · Customer cone 1

Providers · 2

AS206069 Cornseed Limited
AS215172 JIANYUELAB LTD

Embed this on your site

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

Badge

Markdown

[![AS203309 on ipdex](https://ipdex.io/badge/asn/203309.svg)](https://ipdex.io/asn/AS203309/)

HTML

<a href="https://ipdex.io/asn/AS203309/"><img src="https://ipdex.io/badge/asn/203309.svg" alt="AS203309 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/203309" 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.