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Autonomous System

AS4284

CenturyLink Communications, LLC

Announced IPs
4,608
CIDR prefixes
3
ASN
AS4284

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 v1.1.0 — 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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS4284 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
67.235.244.0/24 3,776 2026-07-18 12:00:03
74.4.7.0/24 3,759 2026-07-18 12:00:03
184.1.80.0/20 3,733 2026-07-18 12:00:03

Frequently Asked Questions

What is AS4284?

AS4284 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 AS4284 announce?

AS4284 announces 4.6K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS4284?

AS4284 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 AS4284 registered in?

AS4284 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: 2026-07-18 12:40:28 UTC
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