AS number details

AS320

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

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AS320 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 1
Number of IPv4 65,536
Number of IPv6 309,485,009,821,345,068,724,781,056
ASN type Government
Registry arin
Allocated 36 years ago on Jun 30, 1989
Updated 2 months ago on Sep 12, 2025
Netblock Company Num of IPs
55.25.0.0/16 Headquarters, USAISC 65,536
55.25.160.0/22 Headquarters, USAISC 1,024
55.25.220.0/22 Headquarters, USAISC 1,024
55.25.160.0/24 Headquarters, USAISC 256
Netblock Company
2608:16a:3000::/40 United States Department of Defense (DoD)
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WHOIS Details


                                                ASHandle:       AS320
                                                OrgID:          AS320
                                                ASName:         AS320
                                                ASNumber:       AS320
                                                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.

IP Address Domain Domains on this IP

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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS306 United States Department of Defense (DoD)
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS306 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
105.196.29.160 AS24835 Vodafone Data 14.21ms from Cairo, EG
162.118.109.176 AS398766 TriCoLink, Inc. 6.86ms from Charlotte, US
99.88.34.64 AS7018 AT&T Enterprises, LLC 3.26ms from Houston, US
80.29.48.208 AS3352 TELEFONICA DE ESPANA S.A.U. 1.72ms from Madrid, ES
87.29.164.0 AS3269 Telecom Italia S.p.A. 4.62ms from Milan, IT
79.54.161.96 AS3269 Telecom Italia S.p.A. 1.83ms from Milan, IT
176.99.8.192 AS49352 "Domain names registrar REG.RU", Ltd 0.68ms from Moscow, RU
52.7.181.0 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
79.29.77.0 AS3269 Telecom Italia S.p.A. 14.37ms from Rome, IT
67.171.0.192 AS7922 Comcast Cable Communications, LLC 4.50ms from Seattle, US
52.65.20.128 AS16509 Amazon.com, Inc. 0.11ms from Sydney, AU
5.102.232.176 AS47956 XFone 018 Ltd 6.03ms from Tel Aviv, IL
220.148.208.224 AS10010 TOKAI Communications Corporation 3.01ms from Tokyo, JP
126.70.53.16 AS17676 SoftBank Corp. 3.62ms from Tokyo, JP
59.148.137.176 AS9269 Hong Kong Broadband Network Ltd. 1.33ms from Hong Kong, HK
8.38.243.16 AS393625 OPTIV SECURITY INC 1.56ms from Kansas City, US
13.42.132.208 AS16509 Amazon.com, Inc. 0.19ms from London, GB
151.83.82.224 AS1267 WIND TRE S.P.A. 7.65ms from Milan, IT
47.35.185.48 AS20115 Charter Communications LLC 9.17ms from Minneapolis, US
15.168.47.0 AS16509 Amazon.com, Inc. 0.30ms from Osaka, JP
23.1.73.128 AS16625 Akamai Technologies, Inc. 0.35ms from Rome, IT
18.143.190.144 AS16509 Amazon.com, Inc. 0.36ms from Singapore, SG
13.250.205.32 AS16509 Amazon.com, Inc. 0.15ms from Singapore, SG
197.2.225.96 AS37705 TOPNET 2.35ms from Tunis, TN
2.85.216.32 AS6799 Ote SA (Hellenic Telecommunications Organisation) 9.56ms from Athens, GR

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 55.25.138.200
traceroute to 55.25.138.200 (55.25.138.200): 6 hops max, 52 byte packets
2 [AS197019] 46.28.104.36 362.278 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Ceske Budejovice, CZ
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 AS320 at robtex.

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