AS1501 Headquarters, USAISC details

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AS1501 – Headquarters, USAISC

Field	Value
Country	United States
Website	mail.mil
Hosted domains	0
Number of IPv4	26,880
Number of IPv6	0
ASN type	Government
Registry	arin
Allocated	21 years ago on May 12, 2004
Updated	14 years ago on Aug 11, 2011

Netblock	Company	Num of IPs
143.86.48.0/23	Headquarters, USAISC	512
143.194.128.0/23	Headquarters, USAISC	512
155.26.48.0/23	Headquarters, USAISC	512
155.26.140.0/23	Headquarters, USAISC	512
158.11.208.0/23	Headquarters, USAISC	512
136.210.249.0/24	Headquarters, USAISC	256
143.70.10.0/24	Headquarters, USAISC	256
143.70.18.0/24	Headquarters, USAISC	256
143.70.24.0/24	Headquarters, USAISC	256
143.70.25.0/24	Headquarters, USAISC	256
143.70.26.0/24	Headquarters, USAISC	256
143.70.27.0/24	Headquarters, USAISC	256
143.70.28.0/24	Headquarters, USAISC	256
143.70.32.0/24	Headquarters, USAISC	256
143.70.34.0/24	Headquarters, USAISC	256
143.70.36.0/24	Headquarters, USAISC	256
143.70.40.0/24	Headquarters, USAISC	256
143.70.41.0/24	Headquarters, USAISC	256
143.70.43.0/24	Headquarters, USAISC	256
143.70.44.0/24	Headquarters, USAISC	256
143.70.45.0/24	Headquarters, USAISC	256
143.73.48.0/24	Headquarters, USAISC	256
143.73.49.0/24	Headquarters, USAISC	256
143.73.50.0/24	Headquarters, USAISC	256
143.73.51.0/24	Headquarters, USAISC	256
143.73.55.0/24	Headquarters, USAISC	256
143.73.56.0/24	Headquarters, USAISC	256
143.73.57.0/24	Headquarters, USAISC	256
143.73.58.0/24	Headquarters, USAISC	256
143.73.62.0/24	Headquarters, USAISC	256
143.73.63.0/24	Headquarters, USAISC	256
143.73.64.0/24	Headquarters, USAISC	256
143.73.71.0/24	Headquarters, USAISC	256
143.73.72.0/24	Headquarters, USAISC	256
143.73.76.0/24	Headquarters, USAISC	256
143.73.77.0/24	Headquarters, USAISC	256
143.73.78.0/24	Headquarters, USAISC	256
143.73.83.0/24	Headquarters, USAISC	256
143.73.84.0/24	Headquarters, USAISC	256
143.73.86.0/24	Headquarters, USAISC	256
143.73.90.0/24	Headquarters, USAISC	256
143.73.92.0/24	Headquarters, USAISC	256
143.73.94.0/24	Headquarters, USAISC	256
143.73.95.0/24	Headquarters, USAISC	256
143.76.17.0/24	Headquarters, USAISC	256
143.76.48.0/24	Headquarters, USAISC	256
143.76.128.0/24	Headquarters, USAISC	256
143.76.130.0/24	Headquarters, USAISC	256
143.76.136.0/24	Headquarters, USAISC	256
143.76.137.0/24	Headquarters, USAISC	256
143.76.139.0/24	Headquarters, USAISC	256
143.76.142.0/24	Headquarters, USAISC	256
143.86.50.0/24	Headquarters, USAISC	256
143.86.51.0/24	Headquarters, USAISC	256
143.86.59.0/24	Headquarters, USAISC	256
143.86.62.0/24	Headquarters, USAISC	256
143.86.175.0/24	Headquarters, USAISC	256
143.194.132.0/24	Headquarters, USAISC	256
143.194.133.0/24	Headquarters, USAISC	256
143.194.134.0/24	Headquarters, USAISC	256
143.194.136.0/24	Headquarters, USAISC	256
143.194.137.0/24	Headquarters, USAISC	256
143.194.138.0/24	Headquarters, USAISC	256
143.194.139.0/24	Headquarters, USAISC	256
143.194.141.0/24	Headquarters, USAISC	256
143.194.142.0/24	Headquarters, USAISC	256
143.249.164.0/24	Headquarters, USAISC	256
143.249.165.0/24	Headquarters, USAISC	256
143.249.167.0/24	Headquarters, USAISC	256
144.104.103.0/24	Headquarters, USAISC	256
144.105.202.0/24	Headquarters, USAISC	256
144.107.186.0/24	Headquarters, USAISC	256
146.16.253.0/24	Headquarters, USAISC	256
147.104.97.0/24	Headquarters, USAISC	256
147.104.104.0/24	Headquarters, USAISC	256
147.104.247.0/24	Headquarters, USAISC	256
150.196.17.0/24	Headquarters, USAISC	256
150.196.19.0/24	Headquarters, USAISC	256
150.196.20.0/24	Headquarters, USAISC	256
150.196.21.0/24	Headquarters, USAISC	256
150.196.22.0/24	Headquarters, USAISC	256
150.196.23.0/24	Headquarters, USAISC	256
150.196.24.0/24	Headquarters, USAISC	256
150.196.25.0/24	Headquarters, USAISC	256
150.196.27.0/24	Headquarters, USAISC	256
150.196.28.0/24	Headquarters, USAISC	256
155.20.139.0/24	Headquarters, USAISC	256
155.20.218.0/24	Headquarters, USAISC	256
155.20.219.0/24	Headquarters, USAISC	256
155.26.48.0/24	Headquarters, USAISC	256
155.26.72.0/24	Headquarters, USAISC	256
155.26.140.0/24	Headquarters, USAISC	256
155.26.141.0/24	Headquarters, USAISC	256
155.26.143.0/24	Headquarters, USAISC	256
155.26.175.0/24	Headquarters, USAISC	256
155.26.198.0/24	Headquarters, USAISC	256
155.26.200.0/24	Headquarters, USAISC	256
155.26.201.0/24	Headquarters, USAISC	256
155.30.125.0/24	Headquarters, USAISC	256
155.30.127.0/24	Headquarters, USAISC	256
155.30.191.0/24	Headquarters, USAISC	256
158.13.147.0/24	Headquarters, USAISC	256
158.19.24.0/24	Headquarters, USAISC	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS1501
                                                OrgID:          AS1501
                                                ASName:         AS1501
                                                ASNumber:       AS1501
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There is 1 peer for this ASN.

Peers	Name
AS1555	United States Department of Defense (DoD)

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Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS1555	United States Department of Defense (DoD)

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

No IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
152.3.109.157	AS13371 Duke University	`14.23ms` from Ashburn, US
78.100.19.189	AS8781 Ooredoo Q.S.C.	`0.42ms` from Doha, QA
189.22.140.45	AS4230 CLARO S.A.	`12.03ms` from Fortaleza, BR
119.73.111.253	AS135407 Trans World Enterprise Services (Private) Limited	`0.63ms` from Karachi, PK
109.51.49.77	AS2860 NOS COMUNICACOES, S.A.	`2.39ms` from Lisbon, PT
217.39.233.77	AS2856 British Telecommunications PLC	`3.89ms` from London, GB
2.154.56.189	AS6739 VODAFONE ONO, S.A.	`12.20ms` from Madrid, ES
73.0.135.173	AS7922 Comcast Cable Communications, LLC	`4.14ms` from Miami, US
64.181.147.29	AS31898 Oracle Corporation	`0.16ms` from Monterrey, MX
180.14.137.45	AS4713 NTT DOCOMO BUSINESS,Inc.	`14.79ms` from Osaka, JP
75.164.48.109	AS209 CenturyLink Communications, LLC	`2.04ms` from Portland, US
83.208.199.141	AS5610 O2 Czech Republic, a.s.	`10.46ms` from Prague, CZ
218.52.119.77	AS9318 SK Broadband Co Ltd	`2.00ms` from Seoul, KR
120.55.160.141	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.51ms` from Shanghai, CN
54.206.161.205	AS16509 Amazon.com, Inc.	`0.14ms` from Sydney, AU
38.95.5.93	AS174 Cogent Communications, LLC	`0.57ms` from Tampa, US
79.106.174.77	AS42313 ONE ALBANIA SH.A.	`1.66ms` from Tirana, AL
175.4.25.157	AS63838 Hengyang	`0.26ms` from Chenzhou, CN
99.27.225.45	AS7018 AT&T Enterprises, LLC	`7.74ms` from Chicago, US
34.171.154.77	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
62.27.174.93	AS12312 ecotel communication ag	`7.07ms` from Duesseldorf, DE
18.193.168.157	AS16509 Amazon.com, Inc.	`0.18ms` from Frankfurt am Main, DE
122.129.66.109	AS17911 Brain Telecommunication Ltd.	`17.14ms` from Karachi, PK
94.62.156.29	AS12353 Vodafone Portugal	`2.33ms` from Lisbon, PT
86.134.230.221	AS2856 British Telecommunications PLC	`5.89ms` from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f4 -m8 155.20.219.145

traceroute to 155.20.219.145 (155.20.219.145): 8 hops max, 52 byte packets

4 [AS3356] 171.75.10.249 138.053 ms

5 [AS3356] 62.67.79.154 155.957 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Fremont, US

On October 17th 2025

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS1501 at robtex.

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