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
172.199.190.95 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
128.60.217.191 AS48 Navy Network Information Center (NNIC) 2.69ms from Ashburn, US
87.122.149.223 AS8881 1&1 Versatel GmbH 11.11ms from Berlin, DE
54.213.88.191 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
188.27.138.143 AS8708 DIGI ROMANIA S.A. 4.54ms from Bucharest, RO
58.46.227.255 AS4134 CHINANET-BACKBONE 13.45ms from Changsha, CN
122.164.90.255 AS24560 Bharti Airtel Ltd., Telemedia Services 0.64ms from Chennai, IN
93.219.109.175 AS3320 Deutsche Telekom AG 4.82ms from Frankfurt am Main, DE
194.233.163.31 AS63949 Akamai Connected Cloud 0.15ms from Frankfurt am Main, DE
122.224.121.159 AS4134 CHINANET-BACKBONE 4.16ms from Hangzhou, CN
211.243.131.191 AS9318 SK Broadband Co Ltd 7.54ms from Incheon, KR
87.220.179.15 AS12479 Orange Espagne SA 12.97ms from Madrid, ES
52.45.145.79 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
93.92.199.207 AS215179 Smart Home Limited Liability Company 0.63ms from Saint Petersburg, RU
220.76.247.63 AS4766 Korea Telecom 1.28ms from Seoul, KR
209.188.127.127 AS14901 TAOS NET LLC 0.15ms from Taos, US
126.147.33.95 AS17676 SoftBank Corp. 2.76ms from Tokyo, JP
171.22.178.255 AS41960 Nextpertise 0.53ms from Amsterdam, NL
65.41.255.255 AS5778 CenturyLink Communications, LLC 8.23ms from Ashburn, US
18.236.254.143 AS16509 Amazon.com, Inc. 0.53ms from Boardman, US
96.7.0.63 AS16625 Akamai Technologies, Inc. 0.53ms from Bogota, CO
90.234.65.47 AS3301 Telia Company AB 16.35ms from Copenhagen, DK
79.228.75.79 AS3320 Deutsche Telekom AG 5.59ms from Duesseldorf, DE
42.113.11.95 AS18403 FPT Telecom Company 0.08ms from Hanoi, VN
60.170.146.95 AS4134 CHINANET-BACKBONE 8.80ms from Huai'an, CN

Traceroute

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

$
traceroute -a -n -q1 -f3 -m7 147.37.22.216
traceroute to 147.37.22.216 (147.37.22.216): 7 hops max, 52 byte packets
3 [AS3356] 171.75.10.249 17.158 ms
4 [AS3356] 62.67.79.154 29.046 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Edinburgh, GB
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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