AS3561

Name: AS3561 — CenturyLink Communications, LLC
Creator: ipdex

CenturyLink Communications, LLC ISP registered in United States

618IPv4 prefixes

2IPv6 prefixes

25%RPKI-valid

#777AS Rank

#59Rank in United States

1998-10-07Allocated

CenturyLink Communications, LLC (AS3561) — ISP, registered in United States. announces 618 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #59. Allocated: 1998-10-07.

IPv4 618IPv6 2

Announced prefixes · 620

v4 208.50.128.0/18 unknown
v4 209.1.0.0/16 unknown
v4 209.1.0.0/20 unknown
v4 209.1.120.0/21 unknown
v4 209.1.160.0/22 unknown
v4 209.1.208.0/20 unknown
v4 209.1.232.0/21 unknown
v4 209.1.248.0/21 unknown
v4 209.1.5.0/24 unknown
v4 209.1.56.0/21 unknown
v4 209.1.6.0/24 unknown
v4 209.1.64.0/21 unknown
v4 209.1.80.0/21 unknown
v4 209.1.88.0/21 unknown
v4 209.143.192.0/20 unknown
v4 209.143.224.0/19 unknown
v4 209.143.224.0/20 unknown
v4 209.143.240.0/20 unknown
v4 209.144.0.0/16 unknown
v4 209.16.211.0/24 unknown
v4 209.185.0.0/16 unknown
v4 209.185.128.0/21 unknown
v4 209.185.152.0/21 unknown
v4 209.185.192.0/20 unknown
v4 209.185.208.0/21 unknown
v4 209.185.216.0/21 unknown
v4 209.185.32.0/19 unknown
v4 209.185.41.0/24 unknown
v4 209.185.8.0/21 unknown
v4 209.185.96.0/20 unknown
v4 209.202.128.0/18 unknown
v4 209.223.0.0/16 unknown
v4 209.225.0.0/18 unknown
v4 209.225.20.0/23 unknown
v4 209.25.0.0/17 unknown
v4 209.27.0.0/19 unknown
v4 209.27.128.0/17 unknown
v4 209.27.32.0/20 unknown
v4 209.27.56.0/22 unknown
v4 209.27.64.0/18 unknown
v4 209.67.0.0/16 unknown
v4 209.67.128.0/18 unknown
v4 209.67.192.0/21 unknown
v4 209.67.208.0/20 unknown
v4 209.67.224.0/19 unknown
v4 209.67.64.0/18 unknown
v4 209.73.129.0/24 valid
v4 209.73.130.0/24 valid
v4 209.73.140.0/24 valid
v4 209.73.147.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-21

— 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	623
2026-06-13	623
2026-06-14	623
2026-06-16	623
2026-06-19	622
2026-06-20	620
2026-06-21	620

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AS3561

Announced prefixes · 620

Prefix history

AS topology · Customer cone 53

Providers · 3

Peers · 3

Customers · 52

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