AS1553 — DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD)

AS1553 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

AS1553 is a US Department of Defense network, part of the block registered to the DoD Network Information Center (DNIC-ASBLK-01550-01601).

What it's used for

• US government / military networking. The generic DNIC block registration doesn't identify a specific base or unit.

Notable

• A government / DoD network, not a commercial ISP or hosting provider. It shares its block with AS1551.
• Registered to the DoD Network Information Center (DNIC), holder of many contiguous low-numbered federal ASNs.

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

Announced prefixes

• 139.139.188.0/24

Upstream networks

• AS27065 United States Department of Defense (DoD)

Adjacent networks

• AS27065 United States Department of Defense (DoD)

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.