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 206.128.128.0/18 unknown
v4 206.128.128.0/19 unknown
v4 206.128.160.0/19 unknown
v4 206.129.0.0/16 unknown
v4 206.132.0.0/19 unknown
v4 206.132.0.0/20 unknown
v4 206.132.144.0/20 unknown
v4 206.132.16.0/20 unknown
v4 206.132.32.0/20 unknown
v4 206.132.40.0/22 unknown
v4 206.142.0.0/16 unknown
v4 206.142.192.0/18 unknown
v4 206.150.0.0/16 unknown
v4 206.150.168.0/22 unknown
v4 206.150.180.0/22 unknown
v4 206.150.64.0/19 unknown
v4 206.151.0.0/19 unknown
v4 206.151.128.0/17 unknown
v4 206.151.160.0/22 unknown
v4 206.151.164.0/22 unknown
v4 206.151.32.0/20 unknown
v4 206.151.64.0/18 unknown
v4 206.152.0.0/16 unknown
v4 206.152.0.0/18 unknown
v4 206.152.0.0/24 unknown
v4 206.152.128.0/20 unknown
v4 206.152.18.0/24 unknown
v4 206.152.8.0/22 unknown
v4 206.155.0.0/16 unknown
v4 206.155.64.0/18 unknown
v4 206.208.176.0/24 unknown
v4 206.208.179.0/24 unknown
v4 206.208.183.0/24 unknown
v4 206.223.78.0/24 unknown
v4 206.24.0.0/17 unknown
v4 206.24.0.0/20 unknown
v4 206.24.160.0/19 unknown
v4 206.24.192.0/18 unknown
v4 206.25.0.0/16 unknown
v4 206.25.16.0/20 unknown
v4 206.25.240.0/20 unknown
v4 206.25.32.0/20 unknown
v4 206.25.64.0/19 unknown
v4 206.26.0.0/15 unknown
v4 206.27.160.0/19 unknown
v4 206.28.0.0/17 unknown
v4 206.28.128.0/19 unknown
v4 206.28.160.0/20 unknown
v4 206.28.192.0/18 unknown
v4 206.28.70.0/23 unknown

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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