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Autonomous System

AS17402

CenturyLink Communications, LLC

Announced IPs
68,864
CIDR prefixes
24
ASN
AS17402

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About Qwest

Qwest Communications International, Inc. was a United States telecommunications carrier.

Founded
1995
Headquarters
Denver
Industry
telecommunications
Parent
Lumen Technologies

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
71.51.128.0/19 8.2K
98.7%
CenturyLink Communications, LLC US — —
71.55.128.0/19 8.2K
98.6%
CenturyLink Communications, LLC US Minnesota Minneapolis
74.5.64.0/19 8.2K
92.5%
CenturyLink Communications, LLC US — —
67.233.224.0/20 4.1K
98.9%
CenturyLink Communications, LLC US — —
71.48.112.0/20 4.1K
98.6%
CenturyLink Communications, LLC US — —
71.49.80.0/20 4.1K
98.8%
CenturyLink Communications, LLC US — —
184.1.224.0/20 4.1K
49.4%
CenturyLink Communications, LLC US — —
184.7.160.0/20 4.1K
0.0%
CenturyLink Communications, LLC US — —
65.41.112.0/21 2.0K
98.1%
CenturyLink Communications, LLC US — —
67.233.240.0/21 2.0K
98.8%
CenturyLink Communications, LLC US — —
69.34.48.0/21 2.0K
98.5%
CenturyLink Communications, LLC US — —
69.68.192.0/21 2.0K
98.8%
CenturyLink Communications, LLC US — —
69.69.104.0/21 2.0K
86.4%
CenturyLink Communications, LLC US — —
71.0.40.0/21 2.0K
98.6%
CenturyLink Communications, LLC US — —
71.1.88.0/21 2.0K
97.9%
CenturyLink Communications, LLC US — —
74.5.208.0/21 2.0K
27.1%
CenturyLink Communications, LLC US — —
65.41.192.0/22 1.0K
97.9%
CenturyLink Communications, LLC US — —
66.247.104.0/22 1.0K
24.6%
CenturyLink Communications, LLC US — —
69.34.64.0/22 1.0K
98.3%
CenturyLink Communications, LLC US — —
69.34.212.0/22 1.0K
98.7%
CenturyLink Communications, LLC US — —
69.68.120.0/22 1.0K
98.9%
CenturyLink Communications, LLC US — —
71.1.136.0/22 1.0K
98.9%
CenturyLink Communications, LLC US — —
138.210.88.0/22 1.0K
51.5%
CenturyLink Communications, LLC US — —
71.2.231.0/24 256
98.8%
CenturyLink Communications, LLC US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS17402 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
69.34.64.0/22 12,615 2026-11-13 08:11:13
67.233.224.0/20 12,390 2026-11-13 08:11:13
74.5.64.0/19 12,385 2026-11-13 08:11:13
71.49.80.0/20 12,378 2026-11-13 08:11:13
71.2.231.0/24 12,353 2026-11-13 08:11:13
69.68.192.0/22 12,317 2026-11-13 08:11:13
65.41.112.0/21 12,313 2026-11-13 08:11:13
71.48.112.0/20 12,303 2026-11-13 08:11:13
69.68.120.0/22 12,239 2026-11-13 08:11:13
138.210.88.0/22 12,191 2026-11-13 08:11:13
65.41.192.0/22 12,171 2026-11-13 08:11:13
184.1.224.0/20 12,137 2026-11-13 08:11:13
69.34.48.0/21 12,122 2026-11-13 08:11:13
66.247.104.0/22 12,052 2026-11-13 08:11:13
69.69.104.0/21 12,022 2026-11-13 08:11:13
71.1.136.0/22 12,009 2026-11-13 08:11:13
67.233.240.0/21 12,005 2026-11-13 08:11:13
71.1.88.0/21 12,004 2026-11-13 08:11:13
69.34.212.0/22 12,003 2026-11-13 08:11:13
71.0.40.0/21 11,973 2026-11-13 08:11:13
69.68.196.0/22 11,966 2026-11-13 08:11:13
74.5.208.0/21 11,944 2026-11-13 08:11:13
71.51.128.0/19 11,924 2026-11-13 08:11:13
184.7.160.0/20 11,893 2026-11-13 08:11:13
71.55.128.0/19 11,679 2026-11-13 08:11:13

Frequently Asked Questions

What is AS17402?

AS17402 is an Autonomous System Number assigned to CenturyLink Communications, LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS17402 announce?

AS17402 announces 68.9K IPv4 addresses distributed across 24 routed CIDR prefixes. The network is registered in United States.

Who operates AS17402?

AS17402 is operated by CenturyLink Communications, LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS17402 registered in?

AS17402 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 08:24:05 UTC
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