AS5877 — DNIC-ASBLK-05800-06055

AS5877 announces 4 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

AS5877 is a US Department of Defense network from the block DNIC-ASBLK-05800-06055, registered to the DoD Network Information Center (DNIC).

What it's used for

• US government / military network operations. The DNIC block registration is generic and identifies no particular site or unit.

Notable

• Government / military infrastructure rather than a commercial provider.
• Small and tightly grouped: about 1,000 addresses, announced as five adjacent /24s inside 139.242.0.0/16. A single contiguous run like that usually means one installation.
• Part of the large contiguous block of DoD-held ASNs (5800–6055).

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

Announced prefixes

• 139.242.24.0/23
• 139.242.26.0/24
• 139.242.28.0/24
• 139.242.30.0/24

Upstream networks

• AS27064 United States Department of Defense (DoD)
• AS1733 United States Department of Defense (DoD)

Adjacent networks

• AS27064 United States Department of Defense (DoD)
• AS1733 United States Department of Defense (DoD)