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WorldIP.io
Autonomous System

AS403003

FiberNet

Announced IPs
1,280
CIDR prefixes
2
ASN
AS403003

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
38.125.228.0/22 1.0K
0.0%
FIBERNET US Kentucky Somerset
23.166.20.0/24 256
0.0%
FIBERNET US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS403003 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
38.125.228.0/22 15,343 2026-11-02 16:25:20
23.166.20.0/24 1,463 2026-11-02 16:22:38

Frequently Asked Questions

What is AS403003?

AS403003 is an Autonomous System Number assigned to FiberNet. 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 AS403003 announce?

AS403003 announces 1.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS403003?

AS403003 is operated by FIBERNET. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS403003 registered in?

AS403003 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: 2026-11-02 16:54:06 UTC
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