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Autonomous System

AS3681

Florida International University

Announced IPs
65,536
CIDR prefixes
1
ASN
AS3681

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.

71/100
Moderate
How this score is built

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
131.94.0.0/16 65.5K
8.2%
Florida International University US Florida Miami

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3681 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
131.94.82.0/24 7,734 2026-07-18 12:01:01
131.94.2.0/24 7,732 2026-07-18 12:01:01
131.94.7.0/24 7,722 2026-07-18 12:01:01
131.94.0.0/16 7,340 2026-07-18 12:01:01
131.94.188.0/23 6,864 2026-07-18 12:01:00
131.94.88.0/22 4,110 2026-07-18 12:19:41
131.94.68.0/22 4,107 2026-07-18 12:16:38

Frequently Asked Questions

What is AS3681?

AS3681 is an Autonomous System Number assigned to Florida International University. 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 AS3681 announce?

AS3681 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS3681?

AS3681 is operated by Florida International University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS3681 registered in?

AS3681 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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