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Autonomous System

AS400012

Ysleta Independent School District

Announced IPs
768
CIDR prefixes
3
ASN
AS400012

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 AS400012 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
198.137.205.0/24 9,453 2026-07-24 09:52:07
216.45.16.0/24 7,447 2026-07-24 09:41:08

Frequently Asked Questions

What is AS400012?

AS400012 is an Autonomous System Number assigned to Ysleta Independent School District. 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 AS400012 announce?

AS400012 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS400012?

AS400012 is operated by Ysleta Independent School District. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS400012 registered in?

AS400012 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: 2026-07-24 09:55:31 UTC
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