AS317 — DNIC-ASBLK-00306-00371

AS317 announces 3 IPv4 prefixes covering 66,048 addresses and 1 IPv6 prefixes.

About this network

An early US Department of Defense allocation from the block DNIC-ASBLK-00306-00371, registered to the DoD Network Information Center (DNIC).

What it's used for

• US government / military network operations. The specific site or unit is not publicly identified in the block registration.

Notable

• A government / DoD network, not a commercial ISP or host. It sits in a contiguous block of low-numbered ASNs (00306–00371) held by the DoD Network Information Center from the internet's earliest years.

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

Announced prefixes

• 55.11.0.0/16
• 139.241.6.0/24
• 139.242.53.0/24
• 2608:14b:1700::/40

Upstream networks

• AS306 United States Department of Defense (DoD)
• AS1733 United States Department of Defense (DoD)
• AS27064 United States Department of Defense (DoD)

Adjacent networks

• AS306 United States Department of Defense (DoD)
• AS27064 United States Department of Defense (DoD)
• AS1733 United States Department of Defense (DoD)