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Autonomous System

AS393789

CenturyLink Communications, LLC

Announced IPs
15,616
CIDR prefixes
42
ASN
AS393789

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 v1.2.0 — 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

AS393789 — global IP footprint

Cities where AS393789 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
67.7.136.0/21 2.0K
92.9%
CenturyLink Communications, LLC US Florida Dania Beach
67.7.144.0/21 2.0K
93.0%
CenturyLink Communications, LLC US Pennsylvania Pittsburgh
67.7.184.0/21 2.0K
79.2%
CenturyLink Communications, LLC US Florida Naples
67.7.128.0/22 1.0K
92.8%
CenturyLink Communications, LLC US Florida Lake Mary
67.7.136.0/22 1.0K
92.9%
CenturyLink Communications, LLC US Ohio Cincinnati
67.7.152.0/22 1.0K
0.0%
CenturyLink Communications, LLC US Florida Miami
67.7.160.0/22 1.0K
92.1%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.7.188.0/22 1.0K
67.8%
CenturyLink Communications, LLC US Texas Austin
67.7.192.0/22 1.0K
90.7%
CenturyLink Communications, LLC US Florida Clearwater
67.7.134.0/23 512
90.2%
CenturyLink Communications, LLC US Pennsylvania Pittsburgh
67.7.140.0/23 512
92.2%
CenturyLink Communications, LLC US Florida Miami
67.7.152.0/23 512
90.4%
CenturyLink Communications, LLC US Florida Miami
67.7.156.0/23 512
91.8%
CenturyLink Communications, LLC US Texas Pflugerville
67.7.166.0/23 512
93.0%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.7.170.0/23 512
94.1%
CenturyLink Communications, LLC US Ohio Cincinnati
67.7.178.0/23 512
92.6%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.7.180.0/23 512
91.6%
CenturyLink Communications, LLC US Ohio Cincinnati
67.7.184.0/23 512
91.0%
CenturyLink Communications, LLC US Texas Austin
67.7.192.0/23 512
90.6%
CenturyLink Communications, LLC US Texas Houston
8.5.36.0/24 256
0.0%
CenturyLink Communications, LLC US
67.7.133.0/24 256
91.8%
CenturyLink Communications, LLC US Texas Austin
67.7.155.0/24 256
91.8%
CenturyLink Communications, LLC US Ohio Columbus
67.7.159.0/24 256
91.4%
CenturyLink Communications, LLC US Minnesota Minneapolis
67.7.166.0/24 256
0.0%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.7.168.0/24 256
92.2%
CenturyLink Communications, LLC US Texas Austin
67.7.172.0/24 256
92.6%
CenturyLink Communications, LLC US Indiana Westfield
67.7.174.0/24 256
92.6%
CenturyLink Communications, LLC US Colorado Denver
67.7.177.0/24 256
89.8%
CenturyLink Communications, LLC US North Carolina Charlotte
67.7.178.0/24 256
92.6%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.7.181.0/24 256
91.8%
CenturyLink Communications, LLC US Ohio Cincinnati
67.7.183.0/24 256
91.8%
CenturyLink Communications, LLC US Texas Austin
67.7.187.0/24 256
91.0%
CenturyLink Communications, LLC US Florida Naples
67.7.194.0/24 256
90.2%
CenturyLink Communications, LLC US Florida Clearwater
67.7.196.0/24 256
91.0%
CenturyLink Communications, LLC US Texas Dallas
67.7.154.0/25 128
90.6%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.192/26 64
90.6%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.128/27 32
90.6%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.176/28 16
93.8%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.168/29 8
87.5%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.160/30 4
100.0%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.164/31 2
100.0%
CenturyLink Communications, LLC US Tennessee Nashville
67.7.154.167/32 1
100.0%
CenturyLink Communications, LLC US Tennessee Nashville

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS393789 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
67.7.156.0/23 552,891 2026-09-10 12:16:27
67.7.146.0/24 100,580 2026-09-10 12:16:26
67.7.142.0/23 51,581 2026-09-10 12:16:21
67.7.160.0/23 23,707 2026-09-10 12:16:20
67.7.168.0/24 21,688 2026-09-10 12:16:27
67.7.186.0/24 21,537 2026-09-10 12:16:22
67.7.162.0/23 20,230 2026-09-10 12:15:45
8.5.36.0/24 19,981 2026-09-10 12:16:17
67.7.167.0/24 19,860 2026-09-10 12:16:10
67.7.194.0/24 19,801 2026-09-10 12:15:45
67.7.170.0/23 17,925 2026-09-10 12:16:22
67.7.184.0/24 17,915 2026-09-10 12:16:27
67.7.183.0/24 17,852 2026-09-10 12:16:27
67.7.131.0/24 17,727 2026-09-10 12:15:44
67.7.152.0/24 16,382 2026-09-10 12:16:21
67.7.151.0/24 16,357 2026-09-10 12:16:21
67.7.177.0/24 16,320 2026-09-10 12:16:26
67.7.193.0/24 16,187 2026-09-10 12:16:22
67.7.150.0/24 15,583 2026-09-10 12:15:44
67.7.179.0/24 15,210 2026-09-10 12:16:27
67.7.180.0/24 15,191 2026-09-10 12:16:27
67.7.189.0/24 14,968 2026-09-10 12:16:26
67.7.190.0/24 14,968 2026-09-10 12:16:26
67.7.138.0/23 14,876 2026-09-10 12:16:22
67.7.128.0/24 14,820 2026-09-10 12:15:44
67.7.187.0/24 14,750 2026-09-10 12:16:21
67.7.191.0/24 14,746 2026-09-10 12:16:21
67.7.155.0/24 14,567 2026-09-10 12:16:22
67.7.154.0/24 14,511 2026-09-10 12:16:01
67.7.153.0/24 14,467 2026-09-10 12:16:01
67.7.192.0/24 14,287 2026-09-10 12:16:22
67.7.174.0/24 13,273 2026-09-10 12:16:10
67.7.166.0/24 13,022 2026-09-10 12:16:20
67.7.178.0/24 13,011 2026-09-10 12:16:20
67.7.134.0/23 12,959 2026-09-10 12:16:21
67.7.144.0/23 12,954 2026-09-10 12:16:21
67.7.133.0/24 12,948 2026-09-10 12:16:22
67.7.147.0/24 12,745 2026-09-10 12:16:18
67.7.149.0/24 12,734 2026-09-10 12:15:52
67.7.148.0/24 12,729 2026-09-10 12:15:45
67.7.129.0/24 12,613 2026-09-10 12:15:44
67.7.196.0/24 12,582 2026-09-10 12:16:13
67.7.130.0/24 12,525 2026-09-10 12:15:44
67.7.172.0/24 12,493 2026-09-10 12:15:52
67.7.136.0/24 11,060 2026-09-10 12:16:22
67.7.181.0/24 11,031 2026-09-10 12:16:22
67.7.141.0/24 10,965 2026-09-10 12:16:21
67.7.159.0/24 10,937 2026-09-10 12:16:17
67.7.188.0/24 10,888 2026-09-10 12:16:27
67.7.136.0/23 10,838 2026-09-10 12:15:44

Showing top 50 of 54 announced prefixes by sample volume.

Frequently Asked Questions

What is AS393789?

AS393789 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 AS393789 announce?

AS393789 announces 15.6K IPv4 addresses distributed across 42 routed CIDR prefixes. The network is registered in United States.

Who operates AS393789?

AS393789 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 AS393789 registered in?

AS393789 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: 2026-09-10 12:39:05 UTC
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