Autonomous System details

AS370

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

United States

Stub AS

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AS370 – United States Department of Defense (DoD)

Field	Value
Country	United States
Website	mail.mil
Hosted domains	1
IPv4 addresses	262,144
IPv6 addresses	2,417,851,639,229,258,400,000,000
ASN type	Government
Registry	arin
Allocated	37 years ago on Jun 30, 1989
Updated	8 months ago on Sep 12, 2025

Netblock	Company	Num of IPs
55.54.0.0/16	Headquarters, USAISC	65,536
55.79.0.0/16	Headquarters, USAISC	65,536
55.93.0.0/16	Headquarters, USAISC	65,536
55.100.0.0/16	Headquarters, USAISC	65,536
55.93.128.0/22	Headquarters, USAISC	1,024
55.54.204.0/24	Headquarters, USAISC	256
55.54.205.0/24	Headquarters, USAISC	256
55.54.210.0/24	Headquarters, USAISC	256
55.54.211.0/24	Headquarters, USAISC	256
55.54.212.0/24	Headquarters, USAISC	256
55.54.215.0/24	Headquarters, USAISC	256
55.54.217.0/24	Headquarters, USAISC	256
55.54.218.0/24	Headquarters, USAISC	256
55.54.220.0/24	Headquarters, USAISC	256
55.54.221.0/24	Headquarters, USAISC	256
55.54.222.0/24	Headquarters, USAISC	256
55.54.223.0/24	Headquarters, USAISC	256
55.54.225.0/24	Headquarters, USAISC	256
55.54.226.0/24	Headquarters, USAISC	256
55.54.227.0/24	Headquarters, USAISC	256
55.54.228.0/24	Headquarters, USAISC	256
55.54.229.0/24	Headquarters, USAISC	256
55.54.230.0/24	Headquarters, USAISC	256
55.54.232.0/24	Headquarters, USAISC	256
55.54.233.0/24	Headquarters, USAISC	256
55.54.234.0/24	Headquarters, USAISC	256
55.54.235.0/24	Headquarters, USAISC	256
55.54.236.0/24	Headquarters, USAISC	256
55.54.237.0/24	Headquarters, USAISC	256
55.79.128.0/24	Headquarters, USAISC	256
55.79.143.0/24	Headquarters, USAISC	256
55.79.144.0/24	Headquarters, USAISC	256
55.79.145.0/24	Headquarters, USAISC	256
55.79.150.0/24	Headquarters, USAISC	256
55.79.151.0/24	Headquarters, USAISC	256
55.79.152.0/24	Headquarters, USAISC	256
55.79.155.0/24	Headquarters, USAISC	256
55.79.157.0/24	Headquarters, USAISC	256
55.79.158.0/24	Headquarters, USAISC	256
55.79.160.0/24	Headquarters, USAISC	256
55.79.161.0/24	Headquarters, USAISC	256
55.79.162.0/24	Headquarters, USAISC	256
55.79.163.0/24	Headquarters, USAISC	256
55.79.165.0/24	Headquarters, USAISC	256
55.79.166.0/24	Headquarters, USAISC	256
55.79.167.0/24	Headquarters, USAISC	256
55.79.168.0/24	Headquarters, USAISC	256
55.79.169.0/24	Headquarters, USAISC	256
55.79.170.0/24	Headquarters, USAISC	256
55.79.172.0/24	Headquarters, USAISC	256
55.79.173.0/24	Headquarters, USAISC	256
55.79.174.0/24	Headquarters, USAISC	256
55.79.175.0/24	Headquarters, USAISC	256
55.79.176.0/24	Headquarters, USAISC	256
55.79.177.0/24	Headquarters, USAISC	256
55.79.180.0/24	Headquarters, USAISC	256
55.79.188.0/24	Headquarters, USAISC	256
55.93.133.0/24	Headquarters, USAISC	256
55.93.134.0/24	Headquarters, USAISC	256
55.93.135.0/24	Headquarters, USAISC	256
55.93.136.0/24	Headquarters, USAISC	256
55.93.137.0/24	Headquarters, USAISC	256
55.93.138.0/24	Headquarters, USAISC	256
55.93.139.0/24	Headquarters, USAISC	256
55.93.140.0/24	Headquarters, USAISC	256
55.93.142.0/24	Headquarters, USAISC	256
55.93.143.0/24	Headquarters, USAISC	256
55.93.145.0/24	Headquarters, USAISC	256
55.93.146.0/24	Headquarters, USAISC	256
55.93.147.0/24	Headquarters, USAISC	256
55.93.149.0/24	Headquarters, USAISC	256
55.93.150.0/24	Headquarters, USAISC	256
55.93.151.0/24	Headquarters, USAISC	256
55.93.152.0/24	Headquarters, USAISC	256
55.93.154.0/24	Headquarters, USAISC	256
55.93.155.0/24	Headquarters, USAISC	256
55.93.156.0/24	Headquarters, USAISC	256
55.93.158.0/24	Headquarters, USAISC	256
55.93.160.0/24	Headquarters, USAISC	256
55.93.161.0/24	Headquarters, USAISC	256
55.93.162.0/24	Headquarters, USAISC	256
55.93.163.0/24	Headquarters, USAISC	256
55.93.164.0/24	Headquarters, USAISC	256
55.93.165.0/24	Headquarters, USAISC	256
55.93.166.0/24	Headquarters, USAISC	256
55.93.167.0/24	Headquarters, USAISC	256
55.93.168.0/24	Headquarters, USAISC	256
55.93.170.0/24	Headquarters, USAISC	256
55.93.171.0/24	Headquarters, USAISC	256
55.93.172.0/24	Headquarters, USAISC	256
55.93.173.0/24	Headquarters, USAISC	256
55.93.175.0/24	Headquarters, USAISC	256
55.93.176.0/24	Headquarters, USAISC	256
55.93.184.0/24	Headquarters, USAISC	256
55.93.188.0/24	Headquarters, USAISC	256
55.93.190.0/24	Headquarters, USAISC	256
55.93.192.0/24	Headquarters, USAISC	256
55.93.196.0/24	Headquarters, USAISC	256
55.93.198.0/24	Headquarters, USAISC	256
55.93.200.0/24	Headquarters, USAISC	256
55.93.204.0/24	Headquarters, USAISC	256
55.93.205.0/24	Headquarters, USAISC	256
55.93.210.0/24	Headquarters, USAISC	256
55.93.211.0/24	Headquarters, USAISC	256
55.93.212.0/24	Headquarters, USAISC	256
55.93.215.0/24	Headquarters, USAISC	256
55.93.217.0/24	Headquarters, USAISC	256
55.93.218.0/24	Headquarters, USAISC	256
55.93.220.0/24	Headquarters, USAISC	256
55.93.221.0/24	Headquarters, USAISC	256
55.93.222.0/24	Headquarters, USAISC	256
55.93.223.0/24	Headquarters, USAISC	256
55.93.225.0/24	Headquarters, USAISC	256
55.93.226.0/24	Headquarters, USAISC	256
55.93.227.0/24	Headquarters, USAISC	256
55.93.228.0/24	Headquarters, USAISC	256
55.93.229.0/24	Headquarters, USAISC	256
55.93.230.0/24	Headquarters, USAISC	256
55.93.232.0/24	Headquarters, USAISC	256
55.93.233.0/24	Headquarters, USAISC	256
55.93.234.0/24	Headquarters, USAISC	256
55.93.235.0/24	Headquarters, USAISC	256
55.93.236.0/24	Headquarters, USAISC	256
55.93.237.0/24	Headquarters, USAISC	256
55.93.239.0/24	Headquarters, USAISC	256
55.93.243.0/24	Headquarters, USAISC	256
55.93.245.0/24	Headquarters, USAISC	256
55.93.247.0/24	Headquarters, USAISC	256
55.93.249.0/24	Headquarters, USAISC	256
55.93.251.0/24	Headquarters, USAISC	256

Netblock	Company
2608:10a:6002::/48	United States Department of Defense (DoD)
2608:10a:6013::/48	United States Department of Defense (DoD)

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WHOIS Details

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                                                ASHandle:       AS370
                                                OrgID:          AS370
                                                ASName:         AS370
                                                ASNumber:       AS370
                                                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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IP Address	Domain	Domains on this IP
55.79.135.100	██████████	1

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Hosted Domains API & Database

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
120.61.182.162	AS9829 National Internet Backbone	`13.80ms` from Bengaluru, IN
178.116.209.242	AS6848 Telenet BV	`5.52ms` from Brussels, BE
190.216.92.2	AS3549 Level 3 Parent, LLC	`0.56ms` from Buenos Aires, AR
196.138.86.50	AS24835 Vodafone Data	`7.18ms` from Cairo, EG
41.35.42.2	AS8452 TE-AS	`3.77ms` from Cairo, EG
162.196.141.226	AS7018 AT&T Enterprises, LLC	`7.20ms` from Dallas, US
46.252.130.82	AS3209 Vodafone GmbH	`7.66ms` from Frankfurt am Main, DE
187.204.6.98	AS8151 UNINET	`7.21ms` from Guadalajara, MX
212.213.122.178	AS1759 Telia Finland Oyj	`4.27ms` from Helsinki, FI
183.111.138.18	AS4766 Korea Telecom	`1.21ms` from Incheon, KR
150.214.169.2	AS198096 Junta de Andalucia	`10.35ms` from Lisbon, PT
92.52.72.194	AS15395 Rackspace Ltd.	`1.23ms` from London, GB
80.175.55.210	AS8607 Digital Space Group Limited	`4.08ms` from London, GB
88.3.34.50	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.10ms` from Madrid, ES
94.137.131.98	AS48854 team.blue Denmark A/S	`2.01ms` from Skanderborg, DK
13.210.250.2	AS16509 Amazon.com, Inc.	`0.11ms` from Sydney, AU
110.181.135.34	AS4134 CHINANET BACKBONE	`4.93ms` from Taiyuan, CN
50.249.4.82	AS7922 Comcast Cable Communications, LLC	`6.15ms` from Ashburn, US
75.225.209.66	AS6167 Verizon Business	`17.56ms` from Atlanta, US
154.177.231.98	AS8452 TE-AS	`4.95ms` from Cairo, EG
139.215.27.194	AS4837 CHINA UNICOM China169 Backbone	`5.72ms` from Changchun, CN
52.162.32.114	AS8075 Microsoft Corporation	`0.17ms` from Chicago, US
12.50.222.146	AS7018 AT&T Enterprises, LLC	`2.08ms` from Dallas, US
52.231.141.226	AS8075 Microsoft Corporation	`0.20ms` from Dongnae, KR
222.113.11.34	AS4766 Korea Telecom	`2.38ms` from Incheon, KR

Traceroute

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

traceroute -a -n -q1 -m5 55.54.217.91

traceroute to 55.54.217.91 (55.54.217.91): 5 hops max, 52 byte packets

1 [AS31898] 140.91.242.23 0.076 ms

2 [AS15802] 91.74.125.170 0.805 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Abu Dhabi, AE

On April 25th 2026

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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 AS370 at robtex.

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