AS664 — DNIC-ASBLK-00616-00665

AS664 announces 2 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

A US Department of Defense network, part of an early block allocation (DNIC-ASBLK-00616-00665) registered to the DoD Network Information Center (DNIC).

What it's used for

• Operational networking for US Department of Defense sites.

Notable

• A US government / military network, not a commercial ISP or host. Registered through the DNIC, which holds many federal ASNs.
• The low AS number reflects an allocation from the internet's earliest years, handed out roughly sequentially.

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

Announced prefixes

• 199.211.166.0/23
• 199.211.168.0/23
• 2608:167:15::/48

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 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.