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自律システム

AS138

United States Department of Defense (DoD)

アナウンスされたIP数
229,120
CIDRプレフィックス
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

トップCIDR範囲

CIDRIP数PTR Density組織StateCity
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アナウンス済みプレフィックス

ライブBGP異常 →

プレフィックス AS138 BGPで実際に発信され、当社のRIPE RISコレクター全体で観測されています。このライブルーティングビューは、上記のレジストリ割り当てとは異なる場合があります。

Prefixアナウンスサンプル最終確認
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

AS138とは何ですか?

AS138はUnited States Department of Defense (DoD)に割り当てられた自律システム番号です。ASNは、特定のIPアドレスセットを制御し、BGP(Border Gateway Protocol)を介してインターネット上でトラフィックがどのようにルーティングされるかを決定するネットワークを識別します。

AS138はいくつのIPアドレスをアナウンスしていますか?

AS138は、151個のルーティングされたCIDRプレフィックスに分散された229.1K個のIPv4アドレスをアナウンスしています。 このネットワークはUnited Statesに登録されています。

AS138は誰が運営していますか?

AS138はUnited States Department of Defense DoDによって運営されています。 この組織はUnited Statesに拠点を置いています。 組織ページで、すべてのIP範囲と関連するASNを表示できます。

AS138はどの国に登録されていますか?

AS138はUnited Statesに登録されています。これはネットワークオペレーターの本社所在地を示しますが、アナウンスするIPアドレスは世界中のユーザーにサービスを提供する場合があります。

最終更新日: 2026-07-31 04:55:31 UTC
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