AS4492 — AS_4492

AS4492 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

A small personal network run by Antonios A. Chariton, transferred into the RIPE region in 2024 and deliberately configured to be RPKI ASPA Invalid. The RIPE object is literally named ASPA-INVALID.

What it's used for

• A live routing-security experiment. Its ASPA object declares that only AS0 may be its upstream, while in reality it is announced behind a real transit AS — so any validating network should reject its routes.
• Announcing a single IPv4 /24 (193.5.19.0/24) and one IPv6 /48.

Notable

• Not an eyeball or hosting network. AS4492 exists to be wrong on purpose, as a measurable canary for ASPA deployment.
• The stated expectation is that as ASPA validation spreads, the visibility of this AS's prefixes should fall toward zero — making it a slow-moving, real-world adoption gauge.

Interesting

• The low AS number is not early-internet pedigree. This one was reissued and moved between registries in 2024; the current holder is a modern operator who put it to a very unusual use.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 193.5.19.0/24

Upstream networks

• AS4601 Antonios A. Chariton

Adjacent networks

• AS4601 Antonios A. Chariton