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Système Autonome

AS1540

Headquarters, USAISC

IPs annoncées
5,225,472
Préfixes CIDR
623
ASN
AS1540

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.

57/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 36 Préfixe MOASes — plusieurs ASN d'origine détectés

Toutes les anomalies MOAS →

Un préfixe auparavant stable, originaire de l'AS1540 est maintenant également annoncé par un autre ASN (MOAS — Multiple-Origin AS), détecté par nos collecteurs RIPE RIS. Souvent bénin (anycast, multi-homing, ou un transfert récent) — mais cela peut signaler une fuite de route ou un détournement de préfixe, il est donc utile de l'inspecter.

PréfixeASN d'origineDernière détection (UTC)
144.109.29.0/24 AS367, AS1540 2026-07-23 04:08:26
144.109.27.0/24 AS367, AS1540 2026-07-23 04:08:26
6.70.50.0/23 AS367, AS1540 2026-07-23 04:08:26
129.139.0.0/16 AS367, AS1540 2026-07-23 04:08:26
6.64.152.0/24 AS367, AS1540 2026-07-23 04:08:26
6.70.46.0/23 AS367, AS1540 2026-07-23 04:08:26
144.109.28.0/24 AS367, AS1540 2026-07-23 04:08:26
6.70.38.0/23 AS367, AS1540 2026-07-23 04:08:26
144.109.30.0/24 AS367, AS1540 2026-07-23 04:08:26
144.109.0.0/21 AS367, AS1540 2026-07-23 04:08:26
6.70.42.0/23 AS367, AS1540 2026-07-23 04:08:26
147.221.176.0/20 AS367, AS1540 2026-07-23 04:08:26
6.70.54.0/23 AS367, AS1540 2026-07-23 04:08:26
144.109.31.0/24 AS367, AS1540 2026-07-23 04:08:26
155.29.109.0/24 AS367, AS1540 2026-07-23 04:08:26

Affichage des 15 plus récemment détectés parmi 36 préfixes MOAS. De nombreux préfixes multi-origines sur de grands réseaux sont bénins (anycast) ; voir toutes les anomalies MOAS.

AS1540 — empreinte IP mondiale

Villes où l'AS1540 a une allocation IPv4 mesurable. Cliquez sur n'importe quel point pour ouvrir la page de cette ville. La taille et la couleur varient en fonction du nombre d'IP.

Voir sur le globe 3D →

Principales plages CIDR

CIDRIPsPTR DensityOrganisationPaysStateCity
6.248.0.0/13 524.3K
0.0%
Headquarters, USAISC US
6.244.0.0/14 262.1K
10.3%
Headquarters, USAISC US
6.140.0.0/15 131.1K
0.0%
Headquarters, USAISC US
6.240.0.0/15 131.1K
0.0%
Headquarters, USAISC US
143.78.0.0/15 131.1K
0.0%
Headquarters, USAISC US Texas El Paso
144.244.0.0/15 131.1K
0.0%
Headquarters, USAISC US Kansas Junction City
146.14.0.0/15 131.1K
0.0%
United States Department of Defense DoD US Delaware Middletown
150.192.0.0/15 131.1K
0.0%
Headquarters, USAISC US Washington Olympia
155.150.0.0/15 131.1K
0.0%
Headquarters, USAISC US Alabama Madison
155.214.0.0/15 131.1K
0.0%
Headquarters, USAISC US
158.6.0.0/15 131.1K
0.0%
Headquarters, USAISC US
158.16.0.0/15 131.1K
0.0%
Headquarters, USAISC US
160.132.0.0/15 131.1K
0.0%
Headquarters, USAISC US California Seaside
6.41.0.0/16 65.5K
2.3%
United States Department of Defense DoD US
6.68.0.0/16 65.5K
0.0%
Headquarters, USAISC US
6.242.0.0/16 65.5K
0.0%
Headquarters, USAISC US
129.29.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
130.114.0.0/16 65.5K
68.1%
United States Department of Defense DoD US
134.78.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
136.205.0.0/16 65.5K
0.0%
Headquarters, USAISC US Alabama Madison
138.27.0.0/16 65.5K
0.0%
Headquarters, USAISC US
139.161.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas Hondo
139.231.0.0/16 65.5K
0.0%
Headquarters, USAISC US Arizona Sierra Vista
139.232.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas Cibolo
140.196.0.0/16 65.5K
0.0%
Headquarters, USAISC US
140.202.0.0/16 65.5K
0.0%
Headquarters, USAISC US New York Farmingville
141.107.0.0/16 65.5K
0.0%
Headquarters, USAISC US Kansas Bonner Springs
143.71.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas Killeen
143.72.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas Killeen
143.79.0.0/16 65.5K
0.0%
Headquarters, USAISC US Tennessee Clarksville
144.147.0.0/16 65.5K
0.0%
Headquarters, USAISC US California Apple Valley
144.246.0.0/16 65.5K
11.8%
Headquarters, USAISC US
146.53.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
146.54.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
147.71.0.0/16 65.5K
0.0%
United States Department of Defense DoD US Texas El Paso
147.164.0.0/16 65.5K
0.0%
Headquarters, USAISC US
147.198.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
147.238.0.0/16 65.5K
0.0%
Headquarters, USAISC US
147.240.0.0/16 65.5K
0.0%
Headquarters, USAISC US
150.113.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
150.152.0.0/16 65.5K
0.0%
Headquarters, USAISC US
150.180.0.0/16 65.5K
0.0%
Headquarters, USAISC US
153.103.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
155.9.0.0/16 65.5K
0.0%
Headquarters, USAISC US
155.151.0.0/16 65.5K
0.0%
Headquarters, USAISC US Alabama Madison
155.153.0.0/16 65.5K
0.0%
Headquarters, USAISC US
155.214.0.0/16 65.5K
0.0%
Headquarters, USAISC US
155.216.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
155.219.0.0/16 65.5K
0.0%
Headquarters, USAISC US Oklahoma Lawton
158.2.0.0/16 65.5K
0.0%
United States Department of Defense DoD US
158.4.0.0/16 65.5K
0.0%
Headquarters, USAISC US
158.7.0.0/16 65.5K
0.0%
Headquarters, USAISC US
160.132.0.0/16 65.5K
0.0%
Headquarters, USAISC US
164.66.0.0/16 65.5K
0.0%
Headquarters, USAISC US Alabama Anniston
6.243.0.0/17 32.8K
0.8%
Headquarters, USAISC US
136.205.0.0/17 32.8K
0.0%
Headquarters, USAISC US
143.134.0.0/17 32.8K
0.0%
Headquarters, USAISC US
147.58.0.0/17 32.8K
0.0%
Headquarters, USAISC US
155.152.0.0/17 32.8K
0.0%
United States Department of Defense DoD US
155.215.0.0/17 32.8K
0.0%
Headquarters, USAISC US
158.19.128.0/17 32.8K
0.0%
Headquarters, USAISC US
6.69.64.0/18 16.4K
0.0%
Headquarters, USAISC US
6.243.128.0/18 16.4K
0.0%
Headquarters, USAISC US
136.205.128.0/18 16.4K
0.0%
Headquarters, USAISC US
139.232.192.0/18 16.4K
0.0%
Headquarters, USAISC US
147.58.192.0/18 16.4K
0.0%
Headquarters, USAISC US
150.113.128.0/18 16.4K
0.0%
Headquarters, USAISC US
155.215.192.0/18 16.4K
0.0%
Headquarters, USAISC US
158.1.0.0/18 16.4K
0.0%
Headquarters, USAISC US
158.13.192.0/18 16.4K
0.0%
United States Department of Defense DoD US
199.226.128.0/18 16.4K
29.6%
United States Department of Defense DoD US
6.42.192.0/19 8.2K
0.0%
Headquarters, USAISC US
6.66.96.0/19 8.2K
0.0%
Headquarters, USAISC US
6.71.192.0/19 8.2K
0.0%
Headquarters, USAISC US
6.243.192.0/19 8.2K
0.0%
Headquarters, USAISC US
136.205.192.0/19 8.2K
0.0%
Headquarters, USAISC US
139.232.0.0/19 8.2K
0.0%
Headquarters, USAISC US
146.55.32.0/19 8.2K
0.0%
United States Department of Defense DoD US
147.58.160.0/19 8.2K
0.0%
Headquarters, USAISC US
150.113.32.0/19 8.2K
0.0%
Headquarters, USAISC US
150.113.96.0/19 8.2K
0.0%
Headquarters, USAISC US
150.113.224.0/19 8.2K
0.0%
Headquarters, USAISC US
155.19.160.0/19 8.2K
8.6%
Headquarters, USAISC US
155.215.160.0/19 8.2K
0.0%
Headquarters, USAISC US
6.65.144.0/20 4.1K
0.0%
United States Department of Defense DoD US
6.65.160.0/20 4.1K
0.0%
United States Department of Defense DoD US
6.66.80.0/20 4.1K
0.0%
Headquarters, USAISC US
6.69.16.0/20 4.1K
0.0%
Headquarters, USAISC US
6.69.32.0/20 4.1K
0.0%
Headquarters, USAISC US
6.72.0.0/20 4.1K
0.0%
Headquarters, USAISC US
6.73.224.0/20 4.1K
0.0%
Headquarters, USAISC US
6.243.240.0/20 4.1K
0.0%
Headquarters, USAISC US
136.205.240.0/20 4.1K
0.0%
Headquarters, USAISC US
139.232.64.0/20 4.1K
0.0%
Headquarters, USAISC US
139.232.112.0/20 4.1K
0.0%
Headquarters, USAISC US
139.232.128.0/20 4.1K
0.0%
Headquarters, USAISC US
139.232.176.0/20 4.1K
0.0%
Headquarters, USAISC US
143.68.192.0/20 4.1K
0.0%
Headquarters, USAISC US
143.69.64.0/20 4.1K
0.0%
United States Department of Defense DoD US
143.86.240.0/20 4.1K
0.0%
Headquarters, USAISC US

Préfixes BGP annoncés

Anomalies BGP en direct →

Préfixes AS1540 provient réellement du BGP, observé par nos collecteurs RIPE RIS. Cette vue de routage en direct peut différer de l'allocation de registre ci-dessus.

PrefixÉchantillons d'annonceDernière vue
155.29.143.0/24 3,239,513 2026-07-23 02:10:45
155.29.247.0/24 3,208,071 2026-07-23 02:10:45
155.29.165.0/24 3,156,377 2026-07-23 02:10:50
144.147.0.0/16 3,145,701 2026-07-23 02:10:45
206.37.243.0/24 3,144,654 2026-07-23 02:10:45
158.13.120.0/21 3,143,625 2026-07-23 02:10:50
199.123.82.0/24 3,137,686 2026-07-23 02:11:01
155.213.24.0/21 3,131,242 2026-07-23 02:10:50
6.16.112.0/24 3,129,394 2026-07-23 02:10:45
160.133.0.0/16 3,126,610 2026-07-23 02:10:50
214.3.94.0/24 3,115,460 2026-07-23 02:10:45
147.104.175.0/24 1,099,844 2026-07-23 04:03:01
147.104.154.0/24 1,032,714 2026-07-23 03:06:38
214.37.194.0/24 752,526 2026-07-23 02:10:45
143.70.199.0/24 403,143 2026-07-23 02:10:45
158.11.50.0/24 324,195 2026-07-22 20:36:25
144.105.48.0/21 294,151 2026-07-23 02:10:50
146.16.152.0/24 281,318 2026-07-23 02:11:13
146.16.153.0/24 280,364 2026-07-23 02:11:13
158.16.237.0/24 279,996 2026-07-23 02:11:13
158.16.242.0/23 278,230 2026-07-23 02:11:13
158.16.244.0/23 277,908 2026-07-23 02:11:13
158.16.246.0/23 277,805 2026-07-23 02:11:13
158.16.226.0/23 276,738 2026-07-23 02:11:13
158.16.230.0/23 276,574 2026-07-23 02:11:13
158.16.234.0/23 276,423 2026-07-23 02:11:13
158.16.228.0/23 276,227 2026-07-23 02:11:13
158.16.224.0/23 276,210 2026-07-23 02:11:13
158.16.232.0/23 275,925 2026-07-23 02:11:13
158.16.239.0/24 275,886 2026-07-23 02:11:13
146.16.145.0/24 274,610 2026-07-23 02:11:13
146.16.148.0/24 274,184 2026-07-23 02:11:13
155.29.133.0/24 271,347 2026-07-23 02:11:13
155.29.134.0/24 270,911 2026-07-23 02:11:13
155.21.188.0/23 270,714 2026-07-23 02:11:13
144.101.114.0/24 270,485 2026-07-23 02:11:13
155.29.241.0/24 270,476 2026-07-23 02:11:13
144.101.116.0/24 270,086 2026-07-23 02:11:13
144.101.110.0/24 269,918 2026-07-23 02:11:13
155.29.132.0/24 269,659 2026-07-23 02:11:13
144.101.99.0/24 269,328 2026-07-23 02:11:13
6.73.209.0/24 269,014 2026-07-23 02:11:13
6.73.194.0/24 268,973 2026-07-23 02:11:13
6.73.193.0/24 268,635 2026-07-23 02:11:13
6.73.195.0/24 268,458 2026-07-23 02:11:13
6.73.196.0/24 268,331 2026-07-23 02:11:13
6.73.220.0/23 268,032 2026-07-23 02:11:13
6.73.250.0/23 266,551 2026-07-23 02:11:13
6.73.252.0/24 266,464 2026-07-23 02:11:13
6.73.248.0/23 266,462 2026-07-23 02:11:13

Affichage des meilleurs 50 of 2,327 préfixes annoncés par volume d'échantillons.

Frequently Asked Questions

Qu'est-ce que l'AS1540 ?

L'AS1540 est un numéro de système autonome attribué à Headquarters, USAISC. Un ASN identifie un réseau qui contrôle un ensemble spécifique d'adresses IP et détermine comment le trafic est acheminé sur internet via BGP (Border Gateway Protocol).

Combien d'adresses IP l'AS1540 annonce-t-il ?

L'AS1540 annonce 5.23M adresses IPv4 réparties sur 623 préfixes CIDR routés. Le réseau est enregistré en United States.

Qui opère l'AS1540 ?

L'AS1540 est opéré par Headquarters, USAISC. L'organisation est basée en United States. Vous pouvez consulter toutes les plages IP et les ASN associés sur la page de l'organisation.

Dans quel pays l'AS1540 est-il enregistré ?

L'AS1540 est enregistré en United States. Cela indique où le siège de l'opérateur de réseau est situé, bien que les adresses IP qu'il annonce puissent servir des utilisateurs dans le monde entier.

Dernière mise à jour : 2026-07-23 04:10:36 UTC
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