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Autonomous System

AS400427

IQ Fiber

Announced IPs
55,296
CIDR prefixes
9
ASN
AS400427

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

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Traffic level 5-10Gbps
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Present at 1 internet exchange: Any2East

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS400427 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
128.242.16.0/21 30,576 2026-07-18 10:53:02
66.33.58.0/24 21,422 2026-07-18 10:52:01
128.242.48.0/20 17,452 2026-07-18 10:52:35
128.242.32.0/21 15,741 2026-07-18 10:53:02
204.1.0.0/19 12,538 2026-07-18 10:52:47
216.120.144.0/24 10,628 2026-07-18 10:52:58
128.242.16.0/20 10,199 2026-07-18 10:52:58
204.1.32.0/19 8,873 2026-07-18 10:52:47
206.225.0.0/23 8,234 2026-07-18 10:52:47
128.242.32.0/20 7,179 2026-07-18 10:52:58
216.120.145.0/24 6,764 2026-07-18 10:52:58
206.225.3.0/24 6,760 2026-07-18 10:52:36
216.120.144.0/23 6,701 2026-07-18 10:52:33
38.85.128.0/20 6,519 2026-07-18 10:52:09
38.85.144.0/20 6,030 2026-07-18 10:52:00
204.1.0.0/18 5,601 2026-07-18 10:52:33
38.61.112.0/20 5,591 2026-07-18 10:52:14
128.242.0.0/18 5,580 2026-07-18 10:52:26
38.61.96.0/20 5,556 2026-07-18 10:52:14
66.33.79.0/24 5,491 2026-07-18 10:52:04
206.225.2.0/24 5,456 2026-07-18 10:52:40
206.225.0.0/22 5,394 2026-07-18 10:52:33
38.186.32.0/20 5,289 2026-07-18 10:52:04
38.85.128.0/19 5,285 2026-07-18 10:52:04
38.61.96.0/19 5,249 2026-07-18 10:52:04
128.242.0.0/20 5,182 2026-07-18 10:52:26
38.186.40.0/21 5,113 2026-07-18 10:52:09
38.186.32.0/21 5,088 2026-07-18 10:52:09
38.45.171.0/24 62 2026-05-26 14:54:27

Frequently Asked Questions

What is AS400427?

AS400427 is an Autonomous System Number assigned to IQ Fiber. 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 AS400427 announce?

AS400427 announces 55.3K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.

Who operates AS400427?

AS400427 is operated by IQ Fiber. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS400427 registered in?

AS400427 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 11:40:32 UTC
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