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Autonomes System

AS138

United States Department of Defense (DoD)

Angezeigte IPs
229,120
CIDR-Präfixe
151
ASN
AS138

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 v1.2.0 — 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

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR-Bereiche

CIDRIPsPTR DensityOrganisationLandStateCity
141.234.0.0/17 32.8K
0.2%
United States Department of Defense DoD US
131.66.192.0/18 16.4K
11.5%
United States Department of Defense DoD US
131.67.128.0/18 16.4K
12.3%
United States Department of Defense DoD US
131.68.128.0/18 16.4K
0.5%
United States Department of Defense DoD US
131.66.64.0/19 8.2K
3.3%
United States Department of Defense DoD US
131.67.64.0/19 8.2K
18.7%
United States Department of Defense DoD US
131.67.128.0/19 8.2K
24.7%
United States Department of Defense DoD US
131.67.192.0/19 8.2K
3.1%
United States Department of Defense DoD US
131.68.0.0/19 8.2K
35.1%
United States Department of Defense DoD US
131.68.64.0/19 8.2K
15.4%
United States Department of Defense DoD US
131.68.160.0/19 8.2K
0.7%
United States Department of Defense DoD US
131.66.16.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.66.32.0/20 4.1K
0.4%
United States Department of Defense DoD US
131.66.112.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.66.176.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.67.16.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.67.32.0/20 4.1K
0.2%
United States Department of Defense DoD US
131.67.176.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.68.48.0/20 4.1K
12.3%
United States Department of Defense DoD US
131.68.112.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.68.128.0/20 4.1K
0.4%
United States Department of Defense DoD US
131.68.192.0/20 4.1K
0.2%
United States Department of Defense DoD US
131.68.240.0/20 4.1K
0.0%
United States Department of Defense DoD US
131.66.16.0/21 2.0K
0.3%
United States Department of Defense DoD US
131.66.48.0/21 2.0K
0.1%
United States Department of Defense DoD US
131.66.96.0/21 2.0K
0.5%
United States Department of Defense DoD US
131.66.136.0/21 2.0K
1.8%
United States Department of Defense DoD US
131.66.152.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.66.168.0/21 2.0K
0.1%
United States Department of Defense DoD US
131.67.8.0/21 2.0K
0.1%
United States Department of Defense DoD US
131.67.16.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.67.40.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.67.72.0/21 2.0K
0.1%
United States Department of Defense DoD US
131.67.80.0/21 2.0K
74.1%
United States Department of Defense DoD US
131.67.104.0/21 2.0K
0.3%
United States Department of Defense DoD US
131.67.120.0/21 2.0K
46.6%
United States Department of Defense DoD US
131.67.168.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.67.232.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.67.240.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.68.40.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.68.48.0/21 2.0K
12.4%
United States Department of Defense DoD US
131.68.96.0/21 2.0K
0.2%
United States Department of Defense DoD US
131.68.144.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.68.200.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.68.216.0/21 2.0K
0.0%
United States Department of Defense DoD US
131.68.248.0/21 2.0K
0.0%
United States Department of Defense DoD US
144.183.200.0/21 2.0K
12.5%
United States Department of Defense DoD US
131.66.12.0/22 1.0K
0.5%
United States Department of Defense DoD US
131.66.28.0/22 1.0K
0.2%
United States Department of Defense DoD US
131.66.56.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.66.108.0/22 1.0K
0.2%
United States Department of Defense DoD US
131.66.128.0/22 1.0K
0.7%
United States Department of Defense DoD US
131.66.148.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.66.152.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.66.160.0/22 1.0K
0.4%
United States Department of Defense DoD US
131.67.0.0/22 1.0K
25.4%
United States Department of Defense DoD US
131.67.24.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.67.36.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.67.52.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.67.64.0/22 1.0K
0.8%
United States Department of Defense DoD US
131.67.88.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.67.116.0/22 1.0K
0.1%
United States Department of Defense DoD US
131.67.164.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.67.224.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.32.0/22 1.0K
49.5%
United States Department of Defense DoD US
131.68.60.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.108.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.152.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.196.0/22 1.0K
0.1%
United States Department of Defense DoD US
131.68.212.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.216.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.236.0/22 1.0K
0.0%
United States Department of Defense DoD US
131.68.240.0/22 1.0K
0.0%
United States Department of Defense DoD US
144.183.32.0/22 1.0K
2.6%
United States Department of Defense DoD US
144.183.128.0/22 1.0K
0.6%
United States Department of Defense DoD US
144.183.196.0/22 1.0K
1.3%
United States Department of Defense DoD US
131.66.0.0/23 512
6.3%
United States Department of Defense DoD US
131.66.6.0/23 512
0.8%
United States Department of Defense DoD US
131.66.10.0/23 512
0.8%
United States Department of Defense DoD US
131.66.26.0/23 512
0.2%
United States Department of Defense DoD US
131.66.104.0/23 512
0.0%
United States Department of Defense DoD US
131.66.134.0/23 512
0.2%
United States Department of Defense DoD US
131.66.144.0/23 512
0.0%
United States Department of Defense DoD US
131.66.156.0/23 512
0.0%
United States Department of Defense DoD US
131.66.164.0/23 512
0.0%
United States Department of Defense DoD US
131.67.4.0/23 512
0.0%
United States Department of Defense DoD US
131.67.28.0/23 512
0.0%
United States Department of Defense DoD US
131.67.32.0/23 512
1.8%
United States Department of Defense DoD US
131.67.50.0/23 512
0.2%
United States Department of Defense DoD US
131.67.56.0/23 512
0.0%
United States Department of Defense DoD US
131.67.62.0/23 512
0.0%
United States Department of Defense DoD US
131.67.70.0/23 512
0.0%
United States Department of Defense DoD US
131.67.92.0/23 512
0.0%
United States Department of Defense DoD US
131.67.98.0/23 512
19.9%
United States Department of Defense DoD US
131.67.100.0/23 512
49.2%
United States Department of Defense DoD US
131.67.114.0/23 512
0.0%
United States Department of Defense DoD US
131.67.162.0/23 512
0.0%
United States Department of Defense DoD US
131.67.228.0/23 512
0.0%
United States Department of Defense DoD US
131.67.250.0/23 512
0.0%
United States Department of Defense DoD US
131.67.254.0/23 512
0.0%
United States Department of Defense DoD US

BGP-angekündigte Präfixe

Live BGP-Anomalien →

Präfixe AS138 stammt tatsächlich aus BGP, beobachtet über unsere RIPE RIS Kollektoren. Diese Live-Routing-Ansicht kann von der oben genannten Registry-Zuweisung abweichen.

PrefixAnkündigungs-StichprobenZuletzt gesehen
131.67.0.0/16 5,905 2026-07-31 03:27:29
131.68.0.0/16 5,904 2026-07-31 03:27:29
131.66.0.0/16 5,902 2026-07-31 03:27:29
144.183.32.0/22 5,832 2026-07-31 03:27:29
144.183.128.0/23 5,827 2026-07-31 03:27:29
144.183.196.0/22 5,827 2026-07-31 03:27:29
144.183.15.0/24 5,824 2026-07-31 03:27:29
144.183.20.0/24 5,823 2026-07-31 03:27:29
144.183.227.0/24 5,821 2026-07-31 03:27:29
144.183.17.0/24 5,820 2026-07-31 03:27:29
144.183.127.0/24 5,820 2026-07-31 03:27:29
144.183.16.0/24 5,819 2026-07-31 03:27:29
144.183.200.0/21 5,817 2026-07-31 03:27:29
141.234.0.0/18 5,773 2026-07-31 03:27:29
144.183.130.0/24 5,184 2026-07-31 03:27:29
144.183.131.0/24 5,182 2026-07-31 03:27:29
144.183.216.0/24 5,170 2026-07-31 03:27:29
141.234.64.0/18 5,161 2026-07-31 03:27:29

Frequently Asked Questions

Was ist AS138?

AS138 ist eine Autonomous System Number, die United States Department of Defense (DoD) zugewiesen ist. Eine ASN identifiziert ein Netzwerk, das einen bestimmten Satz von IP-Adressen kontrolliert und bestimmt, wie der Datenverkehr über das Internet via BGP (Border Gateway Protocol) geleitet wird.

Wie viele IP-Adressen kündigt AS138 an?

AS138 kündigt 229.1K IPv4-Adressen an, verteilt auf 151 geroutete CIDR-Präfixe. Das Netzwerk ist in United States registriert.

Wer betreibt AS138?

AS138 wird von United States Department of Defense DoD betrieben. Die Organisation hat ihren Sitz in United States. Sie können alle IP-Bereiche und zugehörigen ASNs auf der Organisationsseite einsehen.

In welchem Land ist AS138 registriert?

AS138 ist in United States registriert. Dies gibt an, wo der Netzwerkbetreiber seinen Hauptsitz hat, obwohl die von ihm angekündigten IP-Adressen Benutzer weltweit bedienen können.

Zuletzt aktualisiert: 2026-07-31 03:40:32 UTC
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