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Autonomous System

AS5927

United States Department of Defense (DoD)

Announced IPs
5,888
CIDR prefixes
13
ASN
AS5927

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

73/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Government allocation +8
  • Trust score 73 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

About High Performance Computing Modernization Program

The United States Department of Defense High Performance Computing Modernization Program (HPCMP) was initiated in 1992 in response to Congressional direction to modernize the Department of Defense (DoD) laboratories’ high performance computing capabilities. The HPCMP provides supercomputers, a national research network, high-end software tools, a secure environment, and computational science experts that together enable the Defense laboratories and test centers to conduct research, development, test and technology evaluation activities.

Headquarters
Vicksburg
Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5927 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.240.135.0/24 97,946 2026-10-13 01:16:21
192.240.131.0/24 69,379 2026-10-13 01:16:21
192.240.133.0/24 66,127 2026-10-13 01:16:19
192.240.140.0/24 36,776 2026-10-13 01:16:20
214.72.20.0/24 35,898 2026-10-13 01:16:20
214.72.30.0/24 35,858 2026-10-13 01:16:20
192.240.130.0/24 25,134 2026-10-13 01:16:19
192.240.134.0/24 21,664 2026-10-13 01:16:20
192.240.137.0/24 19,687 2026-10-13 01:16:20
192.240.141.0/24 19,639 2026-10-13 01:16:20
192.240.143.0/24 19,634 2026-10-13 01:16:20
192.112.38.0/24 19,609 2026-10-13 01:16:20
192.240.139.0/24 19,607 2026-10-13 01:16:20
192.240.138.0/24 19,605 2026-10-13 01:16:20
192.240.142.0/24 19,584 2026-10-13 01:16:20
207.132.116.0/24 18,990 2026-10-13 01:16:20
192.240.128.0/24 17,804 2026-10-13 01:16:20
192.240.145.0/24 17,536 2026-10-13 01:16:20
192.240.144.0/24 17,489 2026-10-13 01:16:20
192.240.132.0/24 17,471 2026-10-13 01:16:20
207.132.117.0/24 16,805 2026-10-13 01:16:20
214.37.176.0/24 16,554 2026-10-13 01:16:20
192.112.36.0/24 10,633 2026-10-13 01:16:20
111.119.186.0/24 495 2026-09-15 18:24:18
199.252.155.0/24 94 2026-10-07 16:11:00

Frequently Asked Questions

What is AS5927?

AS5927 is an Autonomous System Number assigned to United States Department of Defense (DoD). An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS5927 announce?

AS5927 announces 5.9K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.

Who operates AS5927?

AS5927 is operated by United States Department of Defense DoD. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS5927 registered in?

AS5927 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-13 01:24:05 UTC
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