AS1904 — DNIC-AS-01904

AS1904 announces 6 IPv4 prefixes covering 3,840 addresses and 0 IPv6 prefixes.

About this network

A US Department of Defense allocation (DNIC-AS-01904), registered through the DoD Network Information Center (DNIC), which holds many federal ASNs.

What it's used for

• US government / military networking. The generic DNIC registration does not identify a specific base or unit.

Notable

• A government / DoD network, not a commercial ISP or host.
• A low AS number reflecting an early Department of Defense allocation.

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

Announced prefixes

• 192.152.18.0/23
• 192.207.74.0/24
• 198.154.64.0/21
• 198.154.72.0/23
• 198.154.74.0/24
• 207.132.83.0/24

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 7 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS199746:AS-BLACKLIST, AS204464:AS-BLACKLIST.