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Autonomous System

AS369

United States Department of Defense (DoD)

Announced IPs
131,072
CIDR prefixes
2
ASN
AS369

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 v1.3.0 — 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

CIDRIPsPTR DensityOrganizationCountryStateCity
55.50.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas Tyler
55.91.0.0/16 65.5K
0.0%
United States Department of Defense DoD US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS369 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
55.91.235.0/24 442,661 2026-10-06 18:16:37
55.91.234.0/24 131,443 2026-11-13 19:33:27
55.91.240.0/24 122,051 2026-11-13 19:33:27
55.91.233.0/24 117,683 2026-11-13 19:33:27
55.91.220.0/24 110,685 2026-11-13 19:33:27
55.91.223.0/24 105,601 2026-11-13 19:33:27
55.91.226.0/24 103,075 2026-11-13 19:33:27
55.91.230.0/24 89,021 2026-11-13 19:33:27
55.91.232.0/24 88,767 2026-11-13 19:33:27
55.91.245.0/24 87,636 2026-11-13 19:33:27
55.91.241.0/24 87,593 2026-11-13 19:33:27
55.91.204.0/24 86,052 2026-11-13 19:33:27
55.91.208.0/22 86,023 2026-11-13 19:33:27
55.91.193.0/24 85,931 2026-11-13 19:33:27
55.91.192.0/24 85,871 2026-11-13 19:33:27
55.91.194.0/24 85,806 2026-11-13 19:33:27
55.91.251.0/24 85,724 2026-11-13 19:33:27
55.91.188.0/24 85,704 2026-11-13 19:33:27
55.91.196.0/24 85,603 2026-11-13 19:33:27
55.91.189.0/24 85,571 2026-11-13 19:33:27
55.91.197.0/24 85,541 2026-11-13 19:33:27
55.91.187.0/24 85,507 2026-11-13 19:33:27
55.91.190.0/24 85,489 2026-11-13 19:33:27
55.91.191.0/24 85,487 2026-11-13 19:33:27
55.91.201.0/24 85,447 2026-11-13 19:33:27
55.91.198.0/24 85,314 2026-11-13 19:33:27
55.91.203.0/24 85,289 2026-11-13 19:33:27
55.91.202.0/24 85,178 2026-11-13 19:33:27
55.91.195.0/24 85,095 2026-11-13 19:33:27
55.50.251.0/24 84,921 2026-11-13 19:33:27
55.50.22.0/24 84,003 2026-11-13 19:33:14
55.50.190.0/24 83,681 2026-11-13 19:33:27
55.50.188.0/24 83,510 2026-11-13 19:33:27
55.50.187.0/24 83,364 2026-11-13 19:33:27
55.50.198.0/24 83,340 2026-11-13 19:33:27
55.50.193.0/24 83,329 2026-11-13 19:33:27
55.50.195.0/24 83,251 2026-11-13 19:33:27
55.50.192.0/24 83,246 2026-11-13 19:33:27
55.50.197.0/24 83,177 2026-11-13 19:33:27
55.50.189.0/24 83,102 2026-11-13 19:33:27
55.50.191.0/24 83,070 2026-11-13 19:33:27
55.50.196.0/24 83,047 2026-11-13 19:33:27
55.50.194.0/24 83,021 2026-11-13 19:33:27
55.91.143.0/24 82,527 2026-11-13 19:33:27
55.91.218.0/24 82,483 2026-11-13 19:33:27
55.91.243.0/24 82,406 2026-11-13 19:33:27
55.91.219.0/24 82,370 2026-11-13 19:33:27
55.91.43.0/24 82,269 2026-11-13 19:33:27
55.91.0.0/16 49,260 2026-11-13 19:34:55
55.50.0.0/16 49,027 2026-11-13 19:34:30

Showing top 50 of 56 announced prefixes by sample volume.

Frequently Asked Questions

What is AS369?

AS369 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 AS369 announce?

AS369 announces 131.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS369?

AS369 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 AS369 registered in?

AS369 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: 2026-11-13 19:39:05 UTC
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