AS665 — DNIC-ASBLK-00616-00665

AS665 announces 30 IPv4 prefixes covering 142,848 addresses and 0 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

• 138.145.254.0/24
• 138.162.0.0/22
• 138.162.4.0/24
• 138.162.6.0/23
• 138.162.8.0/21
• 138.162.16.0/20
• 138.162.32.0/19
• 138.162.64.0/18
• 138.162.128.0/17
• 138.163.0.0/17
• 138.163.128.0/19
• 138.163.164.0/22
• 138.163.168.0/21
• 138.163.176.0/20
• 138.163.192.0/18
• 155.252.138.0/23
• 155.252.142.0/24
• 205.85.0.0/21
• 205.85.16.0/23
• 205.85.22.0/23
• 205.85.32.0/22
• 205.85.39.0/24
• 205.85.40.0/23
• 205.85.44.0/24
• 205.85.48.0/22
• 205.85.52.0/24
• 205.85.56.0/22
• 205.85.63.0/24
• 205.85.86.0/24
• 205.85.112.0/20

Upstream networks

• AS27064 United States Department of Defense (DoD)
• AS27066 United States Department of Defense (DoD)

Adjacent networks

• AS27064 United States Department of Defense (DoD)
• AS27066 United States Department of Defense (DoD)