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Autonomous System

AS2900

Arizona Tri University Network

Announced IPs
172,544
CIDR prefixes
13
ASN
AS2900

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

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS2900 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
206.206.222.0/23 22,356 2026-11-13 12:22:17
129.219.0.0/16 22,038 2026-11-13 09:31:57
206.206.208.0/24 21,939 2026-11-13 12:22:17
209.147.128.0/18 21,774 2026-11-13 09:31:57
206.206.192.0/18 21,712 2026-11-13 09:31:57
149.169.0.0/16 21,670 2026-11-13 09:31:57
207.246.32.0/19 21,655 2026-11-13 09:31:57
198.153.152.0/24 21,570 2026-11-13 09:19:28
206.206.224.0/19 16,218 2026-11-13 09:31:57
207.246.48.0/20 16,217 2026-11-13 09:31:57
207.246.32.0/20 16,216 2026-11-13 09:31:57
206.206.192.0/19 16,208 2026-11-13 09:31:57
209.147.128.0/19 16,177 2026-11-13 09:31:57
209.147.160.0/19 16,169 2026-11-13 09:31:57
206.207.0.0/24 16,162 2026-11-13 09:31:57
129.219.0.0/17 15,821 2026-11-13 09:31:57
129.219.128.0/17 15,758 2026-11-13 09:31:57
149.169.0.0/17 15,747 2026-11-13 09:31:57
149.169.128.0/17 15,698 2026-11-13 09:31:57
206.207.50.0/24 14,240 2026-11-13 12:53:02

Frequently Asked Questions

What is AS2900?

AS2900 is an Autonomous System Number assigned to Arizona Tri University Network. 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 AS2900 announce?

AS2900 announces 172.5K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.

Who operates AS2900?

AS2900 is operated by Arizona Tri University Network. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS2900 registered in?

AS2900 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: 2026-11-13 13:09:05 UTC
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