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Autonomous System

AS398940

University of South Alabama

Announced IPs
3,584
CIDR prefixes
10
ASN
AS398940

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS398940 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
199.33.134.0/24 26,501 2026-07-23 20:05:06
142.249.156.0/23 26,159 2026-07-23 20:05:04
199.33.131.0/24 26,075 2026-07-23 20:05:06
199.33.132.0/24 26,073 2026-07-23 20:05:06
199.33.130.0/24 26,051 2026-07-23 20:05:06
199.33.133.0/24 26,050 2026-07-23 20:05:06
192.245.224.0/24 26,029 2026-07-23 20:05:06
192.245.221.0/24 26,009 2026-07-23 20:05:06
192.245.222.0/24 26,007 2026-07-23 20:05:06
192.245.223.0/24 26,006 2026-07-23 20:05:06
69.85.215.0/24 25,849 2026-07-23 20:05:06
69.85.217.0/24 25,831 2026-07-23 20:05:06
69.85.216.0/24 22,013 2026-07-13 06:46:18

Frequently Asked Questions

What is AS398940?

AS398940 is an Autonomous System Number assigned to University of South Alabama. 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 AS398940 announce?

AS398940 announces 3.6K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.

Who operates AS398940?

AS398940 is operated by University of South Alabama. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS398940 registered in?

AS398940 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: 2026-07-23 20:25:31 UTC
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