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Autonomous System

AS400521

Omni Fiber

Announced IPs
12,288
CIDR prefixes
15
ASN
AS400521

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 →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS-OMNIFIBER

Present at 1 internet exchange: MEX-IX McAllen: McAllen Peering LAN

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS400521 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
167.224.16.0/20 10,615 2026-07-19 03:52:04
64.52.208.0/20 10,536 2026-07-19 03:51:59
38.179.48.0/20 10,435 2026-07-19 03:51:59

Frequently Asked Questions

What is AS400521?

AS400521 is an Autonomous System Number assigned to Omni 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 AS400521 announce?

AS400521 announces 12.3K IPv4 addresses distributed across 15 routed CIDR prefixes. The network is registered in United States.

Who operates AS400521?

AS400521 is operated by Omni Fiber. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS400521 registered in?

AS400521 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: 2026-07-19 04:25:31 UTC
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