Autonomous System details

AS331

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

United States
    Stub AS Icon Stub AS

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AS331 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 1
IPv4 addresses 196,608
IPv6 addresses 309,485,009,821,345,068,724,781,056
ASN type Government
Registry arin
Allocated 37 years ago on Jun 30, 1989
Updated 4 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
55.19.0.0/16 Headquarters, USAISC 65,536
55.65.0.0/16 Headquarters, USAISC 65,536
55.70.0.0/16 Headquarters, USAISC 65,536
55.19.2.0/24 Headquarters, USAISC 256
55.70.190.0/24 Headquarters, USAISC 256
55.70.214.0/24 Headquarters, USAISC 256
Netblock Company
2608:14a:2300::/40 United States Department of Defense (DoD)
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WHOIS Details

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                                                ASHandle:       AS331
                                                OrgID:          AS331
                                                ASName:         AS331
                                                ASNumber:       AS331
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

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Peers

There is 1 peer for this ASN.

Peers Name
AS306 United States Department of Defense (DoD)
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS306 United States Department of Defense (DoD)
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ASN API & Database

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
172.85.111.203 AS46261 QuickPacket, LLC 0.26ms from Ashburn, US
178.220.31.27 AS8400 TELEKOM SRBIJA a.d. 6.63ms from Belgrade, RS
27.56.138.155 AS24560 Bharti Airtel Ltd., Telemedia Services 8.26ms from Delhi, IN
80.151.144.251 AS3320 Deutsche Telekom AG 3.78ms from Frankfurt am Main, DE
38.132.99.27 AS9009 M247 Europe SRL 0.39ms from Frankfurt am Main, DE
176.36.121.43 AS39608 Lanet Network Ltd 0.54ms from Kyiv, UA
217.65.57.27 AS8301 Gibtelecom Ltd. 10.72ms from Madrid, ES
180.25.11.235 AS4713 NTT DOCOMO BUSINESS,Inc. 3.93ms from Osaka, JP
153.208.18.187 AS4713 NTT DOCOMO BUSINESS,Inc. 11.66ms from Osaka, JP
188.231.58.59 AS44407 Linkt SAS 0.45ms from Paris, FR
39.69.105.43 AS4837 CHINA UNICOM China169 Backbone 4.65ms from Qingdao, CN
109.189.29.59 AS2119 Telenor Norge AS 6.61ms from Sandefjord, NO
211.40.219.251 AS3786 LG DACOM Corporation 1.84ms from Seoul, KR
118.25.197.11 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.30ms from Shanghai, CN
104.195.157.155 AS5645 TekSavvy Solutions, Inc. 10.04ms from Toronto, CA
89.229.40.123 AS21021 Multimedia Polska Sp. z o.o. 17.23ms from Warsaw, PL
89.124.6.107 AS6079 RCN 1.65ms from Ashburn, US
35.85.184.107 AS16509 Amazon.com, Inc. 0.12ms from Boardman, US
4.153.173.171 AS8075 Microsoft Corporation 0.21ms from Boydton, US
63.34.107.107 AS16509 Amazon.com, Inc. 0.28ms from Dublin, IE
23.7.217.59 AS20940 Akamai International B.V. 0.16ms from Hong Kong, HK
76.143.235.107 AS7922 Comcast Cable Communications, LLC 7.51ms from Houston, US
193.227.238.43 AS8426 ClaraNET LTD 4.22ms from Lisbon, PT
31.48.159.203 AS2856 British Telecommunications PLC 5.85ms from London, GB
125.112.188.171 AS4134 CHINANET-BACKBONE 7.00ms from Ningbo, 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 55.19.201.76
traceroute to 55.19.201.76 (55.19.201.76): 7 hops max, 52 byte packets
3 [AS3257] 154.14.160.57 0.561 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Amsterdam, NL
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 AS331 at robtex.

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