AS209

Name: AS209 — CenturyLink Communications, LLC
Creator: ipdex

CenturyLink Communications, LLC ISP registered in United States

1,620IPv4 prefixes

32IPv6 prefixes

1%RPKI-valid

#144AS Rank

#20Rank in United States

1998-11-13Allocated

CenturyLink Communications, LLC (AS209) — ISP, registered in United States. announces 1,620 IPv4 prefixes + 32 IPv6 prefixes. Rank in United States: #20. Allocated: 1998-11-13.

IPv4 1,620IPv6 32

Announced prefixes · 1,652

v4 65.40.150.0/24 unknown
v4 65.40.151.0/24 unknown
v4 65.40.152.0/22 unknown
v4 65.40.156.0/24 unknown
v4 65.40.157.0/24 unknown
v4 65.40.158.0/23 unknown
v4 65.40.24.0/24 unknown
v4 65.40.244.0/24 unknown
v4 65.40.246.0/23 unknown
v4 65.40.252.0/23 unknown
v4 65.40.254.0/23 unknown
v4 65.40.27.0/24 unknown
v4 65.40.29.0/24 unknown
v4 65.40.30.0/23 unknown
v4 65.40.33.0/24 unknown
v4 65.40.34.0/23 unknown
v4 65.40.39.0/24 unknown
v4 65.40.42.0/24 unknown
v4 65.40.44.0/24 unknown
v4 65.40.51.0/24 unknown
v4 65.40.56.0/22 unknown
v4 65.40.8.0/24 unknown
v4 65.41.121.0/24 unknown
v4 65.41.122.0/23 unknown
v4 65.41.132.0/24 unknown
v4 65.41.134.0/23 unknown
v4 65.41.145.0/24 unknown
v4 65.41.153.0/24 unknown
v4 65.41.154.0/24 unknown
v4 65.41.157.0/24 unknown
v4 65.41.16.0/24 unknown
v4 65.41.18.0/24 unknown
v4 65.41.19.0/24 unknown
v4 65.41.2.0/24 unknown
v4 65.41.208.0/22 unknown
v4 65.41.213.0/24 unknown
v4 65.41.214.0/24 unknown
v4 65.41.231.0/24 unknown
v4 65.41.236.0/22 unknown
v4 65.41.24.0/24 unknown
v4 65.41.248.0/22 unknown
v4 65.41.28.0/23 unknown
v4 65.41.31.0/24 unknown
v4 65.59.202.0/24 unknown
v4 66.112.0.0/17 unknown
v4 66.112.76.0/22 unknown
v4 66.198.204.0/24 valid
v4 66.208.128.0/18 unknown
v4 66.218.240.0/21 unknown
v4 66.242.224.0/19 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	1652
2026-06-13	1652
2026-06-14	1652
2026-06-16	1652
2026-06-17	1652
2026-06-19	1652
2026-06-21	1652

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AS209

Announced prefixes · 1,652

Prefix history

AS topology · Customer cone 406

Peers · 24

Customers · 385

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