AS406 — AFCONC-BLOCK1-AS

AS406 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

A US Air Force allocation (AFCONC-BLOCK1-AS) registered to Air Force Systems Networking, part of a block of low AS numbers held by the US Air Force at Maxwell AFB / Gunter Annex in Alabama.

What it's used for

• Networking for US Air Force / Department of Defense sites.

Notable

• A US military network, not a commercial ISP or host. Belongs to a contiguous early-internet block of Air Force AS numbers registered in 1989.

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

Announced prefixes

• 139.241.9.0/24
• 198.218.225.0/24

Upstream networks

• AS27064 United States Department of Defense (DoD)

Adjacent networks

• AS27064 United States Department of Defense (DoD)

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.