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 64.15.225.0/24 unknown
v4 64.202.245.0/24 unknown
v4 64.209.128.0/20 unknown
v4 64.209.160.0/19 unknown
v4 64.209.192.0/20 unknown
v4 64.209.224.0/20 unknown
v4 64.210.160.0/19 unknown
v4 64.210.192.0/18 unknown
v4 64.210.192.0/19 unknown
v4 64.210.224.0/19 unknown
v4 64.211.224.0/19 unknown
v4 64.22.128.0/19 unknown
v4 64.240.0.0/14 unknown
v4 64.27.160.0/20 unknown
v4 64.28.64.0/19 unknown
v4 64.29.68.0/22 valid
v4 64.29.72.0/22 valid
v4 64.29.76.0/24 valid
v4 64.29.84.0/22 valid
v4 64.29.89.0/24 valid
v4 64.29.94.0/24 valid
v4 64.37.192.0/18 unknown
v4 64.39.32.0/19 unknown
v4 64.41.128.0/17 unknown
v4 64.56.192.0/20 unknown
v4 64.58.64.0/19 unknown
v4 64.68.64.0/19 unknown
v4 64.70.0.0/18 unknown
v4 64.70.102.0/24 unknown
v4 64.70.64.0/19 unknown
v4 64.70.96.0/20 unknown
v4 64.75.0.0/18 unknown
v4 64.79.160.0/20 unknown
v4 64.85.64.0/18 unknown
v4 64.89.32.0/20 unknown
v4 66.100.0.0/15 unknown
v4 66.119.32.0/20 unknown
v4 66.128.224.0/20 unknown
v4 66.128.64.0/20 unknown
v4 66.150.105.0/24 unknown
v4 66.180.130.0/23 valid
v4 66.207.180.0/22 valid
v4 66.35.192.0/18 unknown
v4 66.37.192.0/19 unknown
v4 67.130.0.0/24 unknown
v4 67.54.0.0/17 unknown
v4 68.68.99.0/24 valid
v4 68.71.192.0/21 unknown
v4 69.32.180.0/23 unknown
v4 69.46.65.0/24 valid

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	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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