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 71.32.113.0/24 unknown
v4 71.32.132.0/22 unknown
v4 71.32.16.0/21 unknown
v4 71.32.176.0/22 unknown
v4 71.32.188.0/22 unknown
v4 71.32.216.0/22 unknown
v4 71.32.220.0/22 unknown
v4 71.32.224.0/20 unknown
v4 71.32.24.0/22 unknown
v4 71.32.32.0/21 unknown
v4 71.32.40.0/21 unknown
v4 71.32.64.0/20 unknown
v4 71.32.96.0/20 unknown
v4 71.33.128.0/17 unknown
v4 71.33.17.0/24 unknown
v4 71.33.21.0/24 unknown
v4 71.33.24.0/24 unknown
v4 71.33.25.0/24 unknown
v4 71.33.29.0/24 unknown
v4 71.33.32.0/21 unknown
v4 71.33.48.0/21 unknown
v4 71.33.64.0/20 unknown
v4 71.34.0.0/18 unknown
v4 71.34.128.0/19 unknown
v4 71.34.160.0/19 unknown
v4 71.34.64.0/18 unknown
v4 71.35.0.0/18 unknown
v4 71.35.192.0/18 unknown
v4 71.35.64.0/20 unknown
v4 71.35.80.0/20 unknown
v4 71.36.128.0/19 unknown
v4 71.36.16.0/20 unknown
v4 71.36.160.0/19 unknown
v4 71.36.224.0/21 unknown
v4 71.36.232.0/21 unknown
v4 71.36.244.0/22 unknown
v4 71.36.248.0/22 unknown
v4 71.36.254.0/23 unknown
v4 71.36.32.0/20 unknown
v4 71.36.64.0/19 unknown
v4 71.36.96.0/19 unknown
v4 71.37.0.0/18 unknown
v4 71.37.138.0/24 unknown
v4 71.37.142.0/24 unknown
v4 71.37.144.0/23 unknown
v4 71.37.146.0/23 unknown
v4 71.37.148.0/22 unknown
v4 71.37.152.0/22 unknown
v4 71.37.156.0/23 unknown
v4 71.37.158.0/24 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	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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