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 208.50.215.0/24 unknown
v4 208.54.192.0/19 unknown
v4 208.6.48.0/22 unknown
v4 209.102.128.0/18 unknown
v4 209.142.128.0/18 unknown
v4 209.142.187.0/24 unknown
v4 209.144.137.0/24 unknown
v4 209.180.0.0/15 unknown
v4 209.180.102.0/23 unknown
v4 209.180.104.0/23 unknown
v4 209.180.107.0/24 unknown
v4 209.180.108.0/24 unknown
v4 209.180.109.0/24 unknown
v4 209.180.121.0/24 unknown
v4 209.180.123.0/24 unknown
v4 209.180.143.0/24 unknown
v4 209.180.144.0/22 unknown
v4 209.180.148.0/24 unknown
v4 209.180.154.0/24 unknown
v4 209.180.156.0/24 unknown
v4 209.180.166.0/23 unknown
v4 209.180.168.0/21 unknown
v4 209.180.18.0/23 unknown
v4 209.180.202.0/23 unknown
v4 209.180.204.0/23 unknown
v4 209.180.207.0/24 unknown
v4 209.180.210.0/23 unknown
v4 209.180.212.0/22 unknown
v4 209.180.234.0/24 unknown
v4 209.180.236.0/23 unknown
v4 209.180.240.0/20 unknown
v4 209.180.36.0/23 unknown
v4 209.180.46.0/23 unknown
v4 209.180.49.0/24 unknown
v4 209.180.50.0/23 unknown
v4 209.180.54.0/23 unknown
v4 209.180.56.0/21 unknown
v4 209.180.62.0/23 unknown
v4 209.180.64.0/24 unknown
v4 209.180.66.0/23 unknown
v4 209.180.68.0/22 unknown
v4 209.180.72.0/23 unknown
v4 209.180.90.0/23 unknown
v4 209.180.92.0/23 unknown
v4 209.180.96.0/22 unknown
v4 209.180.96.0/24 unknown
v4 209.181.115.0/24 unknown
v4 209.181.116.0/24 unknown
v4 209.181.118.0/23 unknown
v4 209.181.120.0/23 unknown

RPKI: rpki.cloudflare.com · 2026-06-20

— 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

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AS209

Announced prefixes · 1,652

Prefix history

AS topology · Customer cone 406

Peers · 24

Customers · 385

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