Autonomous System details

AS1551

United States Department of Defense (DoD)  ·  mail.mil

United States
    Stub AS Icon Stub AS

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AS1551 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 0
IPv4 addresses 8,192
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 20 years ago on Apr 03, 2006
Updated 5 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
147.37.0.0/19 Headquarters, USAISC 8,192

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS1551
                                                OrgID:          AS1551
                                                ASName:         AS1551
                                                ASNumber:       AS1551
                                                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
AS1554 United States Department of Defense (DoD)
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS1554 United States Department of Defense (DoD)
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

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
34.133.155.239 AS396982 Google LLC 0.11ms from Council Bluffs, US
194.97.174.111 AS5430 TERRA CLOUD Duesseldorf GmbH 4.29ms from Frankfurt am Main, DE
14.195.82.15 AS45820 Tata Teleservices ISP AS 0.14ms from Kolkata, IN
73.42.86.255 AS7922 Comcast Cable Communications, LLC 13.97ms from Miami, US
178.140.47.31 AS42610 PJSC Rostelecom 1.59ms from Moscow, RU
2.62.132.95 AS12389 PJSC Rostelecom 6.48ms from Novosibirsk, RU
20.42.174.175 AS8075 Microsoft Corporation 0.31ms from Quincy, US
20.3.41.127 AS8075 Microsoft Corporation 0.17ms from Quincy, US
43.145.111.127 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.37ms from Shanghai, CN
4.237.119.191 AS8075 Microsoft Corporation 0.71ms from Sydney, AU
12.237.206.191 AS7018 AT&T Enterprises, LLC 7.83ms from Chicago, US
18.196.103.239 AS16509 Amazon.com, Inc. 0.48ms from Frankfurt am Main, DE
116.52.182.31 AS4134 CHINANET-BACKBONE 0.63ms from Kunming, CN
49.145.254.223 AS9299 Philippine Long Distance Telephone Company 15.74ms from Manila, PH
12.74.59.191 AS7018 AT&T Enterprises, LLC 2.41ms from New York City, US
119.26.191.15 AS9617 JCOM Co., Ltd. 11.36ms from Osaka, JP
78.201.23.79 AS12322 Free SAS 1.26ms from Paris, FR
49.246.101.255 AS10054 CMB Kwangju Broadcasting 6.37ms from Seoul, KR
171.22.178.255 AS41960 Nextpertise 0.54ms from Amsterdam, NL
124.64.87.191 AS4808 China Unicom Beijing Province Network 3.12ms from Beijing, CN
121.21.203.191 AS4837 CHINA UNICOM China169 Backbone 13.03ms from Beijing, CN
190.172.71.143 AS22927 Telefonica de Argentina 2.02ms from Buenos Aires, AR
71.64.97.79 AS10796 Charter Communications Inc 6.00ms from Cleveland, US
108.128.248.127 AS16509 Amazon.com, Inc. 0.19ms from Dublin, IE
93.237.32.239 AS3320 Deutsche Telekom AG 8.70ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -m5 147.37.29.158
traceroute to 147.37.29.158 (147.37.29.158): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Praia, CV
On

Related Networks

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 AS1551 at robtex.

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