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 50.114.173.0/24 valid
v4 50.114.210.0/24 valid
v4 50.114.32.0/24 valid
v4 50.117.100.0/24 valid
v4 50.117.105.0/24 valid
v4 50.117.28.0/24 valid
v4 50.117.44.0/24 valid
v4 50.117.64.0/24 unknown
v4 50.117.73.0/24 valid
v4 50.117.97.0/24 valid
v4 50.118.215.0/24 valid
v4 62.216.64.0/21 valid
v4 63.128.0.0/16 unknown
v4 63.128.0.0/18 unknown
v4 63.128.128.0/18 unknown
v4 63.128.64.0/18 unknown
v4 63.128.85.0/24 unknown
v4 63.128.88.0/24 unknown
v4 63.136.0.0/18 unknown
v4 63.136.120.0/21 unknown
v4 63.136.128.0/17 unknown
v4 63.136.4.0/24 unknown
v4 63.136.64.0/19 unknown
v4 63.136.96.0/20 unknown
v4 63.137.0.0/16 unknown
v4 63.137.112.0/20 unknown
v4 63.137.126.0/24 unknown
v4 63.137.176.0/21 unknown
v4 63.137.224.0/20 unknown
v4 63.137.32.0/20 unknown
v4 63.137.64.0/20 unknown
v4 63.146.199.0/24 unknown
v4 63.235.144.0/24 unknown
v4 64.14.0.0/16 unknown
v4 64.14.0.0/19 unknown
v4 64.14.112.0/20 unknown
v4 64.14.128.0/20 unknown
v4 64.14.144.0/21 unknown
v4 64.14.160.0/19 unknown
v4 64.14.192.0/20 unknown
v4 64.14.201.0/24 unknown
v4 64.14.208.0/20 unknown
v4 64.14.224.0/20 unknown
v4 64.14.240.0/20 unknown
v4 64.14.32.0/19 unknown
v4 64.14.64.0/19 unknown
v4 64.14.96.0/20 unknown
v4 64.15.160.0/19 unknown
v4 64.15.192.0/20 unknown
v4 64.15.224.0/19 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	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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