AS209

Name: AS209 — CenturyLink Communications, LLC
Creator: ipdex

CenturyLink Communications, LLC ISP registered in United States

1,620IPv4 prefixes

32IPv6 prefixes

1%RPKI-valid

#144AS Rank

#20Rank in United States

1998-11-13Allocated

CenturyLink Communications, LLC (AS209) — ISP, registered in United States. announces 1,620 IPv4 prefixes + 32 IPv6 prefixes. Rank in United States: #20. Allocated: 1998-11-13.

IPv4 1,620IPv6 32

Announced prefixes · 1,652

v4 70.56.144.0/20 unknown
v4 70.56.16.0/20 unknown
v4 70.56.160.0/20 unknown
v4 70.56.176.0/20 unknown
v4 70.56.192.0/21 unknown
v4 70.56.200.0/21 unknown
v4 70.56.208.0/20 unknown
v4 70.56.224.0/20 unknown
v4 70.56.240.0/21 unknown
v4 70.56.248.0/22 unknown
v4 70.56.252.0/22 unknown
v4 70.56.32.0/19 unknown
v4 70.56.64.0/19 unknown
v4 70.56.96.0/20 unknown
v4 70.57.0.0/18 unknown
v4 70.57.112.0/20 unknown
v4 70.57.128.0/20 unknown
v4 70.57.144.0/20 unknown
v4 70.57.160.0/21 unknown
v4 70.57.168.0/21 unknown
v4 70.57.176.0/20 unknown
v4 70.57.184.0/21 unknown
v4 70.57.208.0/21 unknown
v4 70.57.220.0/22 unknown
v4 70.57.224.0/21 unknown
v4 70.57.232.0/22 unknown
v4 70.57.236.0/22 unknown
v4 70.57.240.0/20 unknown
v4 70.57.64.0/20 unknown
v4 70.58.0.0/19 unknown
v4 70.58.112.0/20 unknown
v4 70.58.129.0/24 unknown
v4 70.58.130.0/24 unknown
v4 70.58.131.0/24 unknown
v4 70.58.133.0/24 unknown
v4 70.58.136.0/21 unknown
v4 70.58.144.0/22 unknown
v4 70.58.148.0/22 unknown
v4 70.58.152.0/21 unknown
v4 70.58.160.0/21 unknown
v4 70.58.168.0/21 unknown
v4 70.58.176.0/22 unknown
v4 70.58.180.0/22 unknown
v4 70.58.184.0/21 unknown
v4 70.58.192.0/20 unknown
v4 70.58.224.0/21 unknown
v4 70.58.232.0/21 unknown
v4 70.58.240.0/20 unknown
v4 70.58.32.0/20 unknown
v4 70.58.56.0/21 unknown

RPKI: rpki.cloudflare.com · 2026-06-22

— Routing status unavailable

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	1652
2026-06-13	1652
2026-06-14	1652
2026-06-16	1652
2026-06-17	1652
2026-06-19	1652
2026-06-21	1652

Embed this on your site

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

Badge

Markdown

[![AS209 on ipdex](https://ipdex.io/badge/asn/209.svg)](https://ipdex.io/asn/AS209/)

HTML

<a href="https://ipdex.io/asn/AS209/"><img src="https://ipdex.io/badge/asn/209.svg" alt="AS209 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/209" 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.

AS209

Announced prefixes · 1,652

Prefix history

AS topology · Customer cone 406

Peers · 24

Customers · 385

Badge

Live chart (iframe)