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Autonomous System

AS393657

Colorado Mesa University

Announced IPs
5,376
CIDR prefixes
3
ASN
AS393657

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

CIDRIPsPTR DensityOrganizationCountryStateCity
72.166.224.0/20 4.1K
0.0%
Colorado Mesa University US
208.94.48.0/22 1.0K
3.1%
Colorado Mesa University US
129.19.144.0/24 256
0.0%
Colorado Mesa University US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS393657 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
129.19.144.0/24 34,144 2026-08-01 06:06:28
208.94.51.0/24 20,918 2026-06-01 22:12:10
208.94.48.0/22 17,293 2026-08-01 06:57:59
72.166.230.0/24 13,618 2026-08-01 06:59:39
72.166.239.0/24 13,604 2026-08-01 06:59:39
72.166.238.0/24 13,597 2026-08-01 06:59:39
72.166.228.0/24 13,592 2026-08-01 06:59:39
72.166.231.0/24 13,589 2026-08-01 06:59:39
72.166.234.0/24 13,587 2026-08-01 06:59:39
72.166.224.0/24 13,584 2026-08-01 06:59:39
72.166.226.0/24 13,583 2026-08-01 06:59:39
72.166.229.0/24 13,581 2026-08-01 06:59:39
72.166.232.0/24 13,579 2026-08-01 06:59:39
72.166.236.0/24 13,578 2026-08-01 06:59:39
72.166.235.0/24 13,559 2026-08-01 06:59:39
72.166.227.0/24 13,551 2026-08-01 06:59:39
72.166.225.0/24 13,541 2026-08-01 06:59:39
72.166.237.0/24 13,539 2026-08-01 06:59:39
72.166.233.0/24 13,532 2026-08-01 06:59:39

Frequently Asked Questions

What is AS393657?

AS393657 is an Autonomous System Number assigned to Colorado Mesa 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 AS393657 announce?

AS393657 announces 5.4K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS393657?

AS393657 is operated by Colorado Mesa University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS393657 registered in?

AS393657 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: 2026-08-01 07:10:31 UTC
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