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 65.103.0.0/19 unknown
v4 65.103.107.0/24 unknown
v4 65.103.108.0/22 unknown
v4 65.103.112.0/20 unknown
v4 65.103.128.0/20 unknown
v4 65.103.152.0/21 unknown
v4 65.103.160.0/21 unknown
v4 65.103.168.0/22 unknown
v4 65.103.174.0/23 unknown
v4 65.103.176.0/21 unknown
v4 65.103.184.0/21 unknown
v4 65.103.192.0/20 unknown
v4 65.103.208.0/21 unknown
v4 65.103.216.0/22 unknown
v4 65.103.224.0/19 unknown
v4 65.103.32.0/20 unknown
v4 65.103.48.0/21 unknown
v4 65.103.64.0/21 unknown
v4 65.112.0.0/12 unknown
v4 65.116.37.0/24 unknown
v4 65.128.0.0/11 unknown
v4 65.128.0.0/16 unknown
v4 65.129.0.0/16 unknown
v4 65.130.0.0/16 unknown
v4 65.131.0.0/17 unknown
v4 65.131.0.0/23 unknown
v4 65.131.240.0/20 unknown
v4 65.164.16.0/21 unknown
v4 65.173.76.0/24 unknown
v4 65.173.78.0/24 unknown
v4 65.173.79.0/24 unknown
v4 65.173.80.0/24 unknown
v4 65.173.81.0/24 unknown
v4 65.173.82.0/23 unknown
v4 65.173.84.0/23 unknown
v4 65.173.86.0/24 unknown
v4 65.173.90.0/24 unknown
v4 65.174.160.0/22 unknown
v4 65.40.0.0/15 unknown
v4 65.40.0.0/24 unknown
v4 65.40.10.0/24 unknown
v4 65.40.112.0/24 unknown
v4 65.40.113.0/24 unknown
v4 65.40.114.0/24 unknown
v4 65.40.115.0/24 unknown
v4 65.40.116.0/22 unknown
v4 65.40.144.0/24 unknown
v4 65.40.145.0/24 unknown
v4 65.40.146.0/23 unknown
v4 65.40.148.0/23 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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