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 174.24.0.0/17 unknown
v4 174.25.0.0/17 unknown
v4 174.26.0.0/16 unknown
v4 174.27.0.0/16 unknown
v4 174.28.0.0/16 unknown
v4 174.29.0.0/16 unknown
v4 174.30.192.0/19 unknown
v4 174.31.0.0/16 unknown
v4 174.31.224.0/19 unknown
v4 184.0.0.0/13 unknown
v4 184.0.100.0/23 unknown
v4 184.0.102.0/24 unknown
v4 184.0.103.0/24 unknown
v4 184.0.164.0/22 unknown
v4 184.0.170.0/23 unknown
v4 184.0.172.0/22 unknown
v4 184.0.240.0/21 unknown
v4 184.0.25.0/24 unknown
v4 184.0.26.0/23 unknown
v4 184.0.30.0/24 unknown
v4 184.0.52.0/24 unknown
v4 184.0.54.0/24 unknown
v4 184.1.52.0/24 unknown
v4 184.1.60.0/24 unknown
v4 184.101.0.0/16 unknown
v4 184.102.0.0/19 unknown
v4 184.103.0.0/16 unknown
v4 184.156.0.0/14 unknown
v4 184.157.240.0/21 unknown
v4 184.159.80.0/24 unknown
v4 184.2.192.0/20 unknown
v4 184.3.0.0/23 unknown
v4 184.3.14.0/23 unknown
v4 184.3.192.0/18 unknown
v4 184.3.2.0/24 unknown
v4 184.3.5.0/24 unknown
v4 184.3.6.0/23 unknown
v4 184.3.8.0/22 unknown
v4 184.4.0.0/18 unknown
v4 184.6.240.0/21 unknown
v4 184.6.248.0/23 unknown
v4 184.6.250.0/24 unknown
v4 184.6.255.0/24 unknown
v4 184.7.211.0/24 unknown
v4 184.7.216.0/23 unknown
v4 184.7.228.0/22 unknown
v4 184.7.236.0/23 unknown
v4 184.7.239.0/24 unknown
v4 184.7.31.0/24 unknown
v4 184.96.0.0/13 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

— 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

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AS209

Announced prefixes · 1,652

Prefix history

AS topology · Customer cone 406

Peers · 24

Customers · 385

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