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 206.29.128.0/20 unknown
v4 206.31.0.0/16 unknown
v4 206.31.0.0/19 unknown
v4 206.31.224.0/22 unknown
v4 206.31.228.0/24 unknown
v4 206.31.229.0/24 unknown
v4 206.31.232.0/24 unknown
v4 206.31.233.0/24 unknown
v4 206.31.240.0/20 unknown
v4 206.31.32.0/19 unknown
v4 206.31.64.0/21 unknown
v4 206.40.128.0/19 unknown
v4 206.79.0.0/16 unknown
v4 206.79.0.0/21 unknown
v4 206.79.144.0/20 unknown
v4 206.79.181.0/24 unknown
v4 206.79.184.0/21 unknown
v4 206.79.192.0/19 unknown
v4 206.79.210.0/24 unknown
v4 206.96.0.0/18 unknown
v4 206.96.128.0/17 unknown
v4 206.96.96.0/19 unknown
v4 206.97.0.0/20 unknown
v4 206.97.16.0/21 unknown
v4 206.97.32.0/19 unknown
v4 206.97.64.0/18 unknown
v4 206.99.0.0/18 unknown
v4 206.99.112.0/21 unknown
v4 206.99.128.0/17 unknown
v4 206.99.152.0/21 unknown
v4 206.99.64.0/19 unknown
v4 206.99.96.0/20 unknown
v4 207.0.0.0/15 unknown
v4 207.170.176.0/22 valid
v4 207.189.64.0/20 unknown
v4 207.189.88.0/21 unknown
v4 207.2.0.0/18 unknown
v4 207.2.128.0/17 unknown
v4 207.2.192.0/21 unknown
v4 207.2.200.0/22 unknown
v4 207.2.204.0/22 unknown
v4 207.2.64.0/19 unknown
v4 207.2.80.0/20 unknown
v4 207.82.0.0/16 unknown
v4 207.82.0.0/21 unknown
v4 207.82.12.0/22 unknown
v4 207.82.16.0/22 unknown
v4 207.82.160.0/20 unknown
v4 207.82.176.0/21 unknown
v4 207.82.192.0/18 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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