AS427 — AFCONC-BLOCK1-AS

AS427 announces 6 IPv4 prefixes covering 133,120 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

• 132.3.12.0/22
• 132.16.0.0/16
• 132.61.0.0/16
• 192.77.104.0/24
• 198.218.204.0/24
• 199.251.88.0/23

Upstream networks

• AS27066 United States Department of Defense (DoD)

Adjacent networks

• AS27066 United States Department of Defense (DoD)