AS393689

Name: AS393689 — National Library of Medicine
Creator: ipdex

National Library of Medicine Unknown registered in United States

4IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#75,003AS Rank

327/327RIS visibility

#5,292Rank in United States

2014-11-06Allocated

National Library of Medicine (AS393689) — Unknown, registered in United States. announces 4 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #5292. Allocated: 2014-11-06.

IPv4 4IPv6 1

Announced prefixes · 5

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

Routing: 4 IPv4 · 1 IPv6 announced · RIS visibility 327/327 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	5
2026-06-13	5

AS topology · Customer cone 1

Providers · 4

AS11537 Internet2
AS11164 Internet2
AS10886 University of Maryland
AS70 National Library of Medicine

Embed this on your site

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

Badge

Markdown

[![AS393689 on ipdex](https://ipdex.io/badge/asn/393689.svg)](https://ipdex.io/asn/AS393689/)

HTML

<a href="https://ipdex.io/asn/AS393689/"><img src="https://ipdex.io/badge/asn/393689.svg" alt="AS393689 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/393689" 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.