Autonomous System details

AS351

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

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AS351 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 8
IPv4 addresses 131,072
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 37 years ago on Jun 30, 1989
Updated 5 months ago on Sep 12, 2025
Netblock Company Num of IPs
55.37.0.0/16 Headquarters, USAISC 65,536
55.84.0.0/16 Headquarters, USAISC 65,536
55.84.8.0/23 Headquarters, USAISC 512
55.84.71.0/24 Headquarters, USAISC 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS351
                                                OrgID:          AS351
                                                ASName:         AS351
                                                ASNumber:       AS351
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 8 domain names hosted across 2 IP addresses on this ASN.

IP Address Domain Domains on this IP
55.84.55.102 ██████████ 7
55.37.165.222 ██████████ 1

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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS306 United States Department of Defense (DoD)
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

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
84.84.35.223 AS1136 KPN B.V. 1.14ms from Amsterdam, NL
37.97.220.47 AS20857 Signet B.V. 0.60ms from Amsterdam, NL
108.195.5.223 AS7018 AT&T Enterprises, LLC 6.70ms from Atlanta, US
75.196.94.31 AS6167 Verizon Business 9.03ms from Chicago, US
40.135.134.47 AS7029 Windstream Communications LLC 0.53ms from Chicago, US
3.149.14.255 AS16509 Amazon.com, Inc. 0.18ms from Columbus, US
208.117.241.15 AS36040 Google LLC 0.57ms from Denver, US
121.143.138.239 AS4766 Korea Telecom 0.73ms from Incheon, KR
140.248.67.31 AS54113 Fastly, Inc. 0.11ms from Los Angeles, US
87.250.228.191 AS13238 YANDEX LLC 1.31ms from Moscow, RU
85.198.120.143 AS60246 Consumer Internet Cooperative PG-19 15.82ms from Moscow, RU
180.52.170.79 AS4713 NTT DOCOMO BUSINESS,Inc. 13.39ms from Osaka, JP
122.44.220.95 AS17858 LG POWERCOMM 1.75ms from Seoul, KR
79.237.149.111 AS3320 Deutsche Telekom AG 3.79ms from Berlin, DE
218.75.164.79 AS4134 CHINANET-BACKBONE 3.62ms from Changsha, CN
118.120.173.255 AS4134 CHINANET-BACKBONE 6.74ms from Chengdu, CN
74.37.84.31 AS5650 Frontier Communications of America, Inc. 13.14ms from Chicago, US
119.66.141.175 AS17858 LG POWERCOMM 2.93ms from Incheon, KR
89.145.60.47 AS21032 TELTA Citynetz GmbH 6.17ms from Berlin, DE
68.117.85.191 AS20115 Charter Communications LLC 12.95ms from Minneapolis, US
188.143.203.127 AS44050 Petersburg Internet Network ltd. 0.79ms from Saint Petersburg, RU
203.152.171.255 AS10036 DLIVE 1.71ms from Seoul, KR
211.223.129.223 AS4766 Korea Telecom 6.13ms from Seoul, KR
115.8.219.159 AS4766 Korea Telecom 7.13ms from Seoul, KR
35.75.10.31 AS16509 Amazon.com, Inc. 1.00ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -m5 55.37.251.119
traceroute to 55.37.251.119 (55.37.251.119): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Copenhagen, DK
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 AS351 at robtex.

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