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	309,485,009,821,345,068,724,781,056
ASN type	Government
Registry	arin
Allocated	37 years ago on Jun 30, 1989
Updated	6 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
55.54.208.0/24	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
55.79.148.0/24	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
55.93.169.0/24	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
55.93.174.0/24	Headquarters, USAISC	256
55.93.175.0/24	Headquarters, USAISC	256
55.93.176.0/24	Headquarters, USAISC	256
55.93.182.0/24	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
55.93.207.0/24	Headquarters, USAISC	256
55.93.208.0/24	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:6000::/40	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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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
178.227.75.50	AS31615 Odido Netherlands B.V.	`12.81ms` from Amsterdam, NL
173.21.178.178	AS30036 Mediacom Communications Corp	`13.66ms` from Atlanta, US
50.251.156.98	AS7922 Comcast Cable Communications, LLC	`4.81ms` from Atlanta, US
23.48.72.242	AS16625 Akamai Technologies, Inc.	`0.75ms` from Bangkok, TH
66.38.14.162	AS11979 Bluegrass Network LLC	`10.66ms` from Buffalo, US
102.98.46.34	AS36925 MEDITELECOM	`7.67ms` from Casablanca, MA
98.102.150.130	AS10796 Charter Communications Inc	`3.13ms` from Columbus, US
90.185.143.162	AS203953 Hiper A/S	`1.47ms` from Copenhagen, DK
125.19.12.114	AS9498 BHARTI Airtel Ltd.	`2.95ms` from Delhi, IN
185.114.134.2	AS204109 Hillenbrand Germany Holding GmbH	`0.56ms` from Frankfurt am Main, DE
194.127.107.2	AS3320 Deutsche Telekom AG	`4.97ms` from Frankfurt am Main, DE
113.188.55.114	AS45899 VNPT Corp	`3.83ms` from Ho Chi Minh City, VN
23.77.31.194	AS16625 Akamai Technologies, Inc.	`0.50ms` from Hong Kong, HK
222.113.11.34	AS4766 Korea Telecom	`2.38ms` from Incheon, KR
212.139.121.98	AS13285 TalkTalk Communications Limited	`1.27ms` from London, GB
74.212.206.18	AS14265 TPx Communications	`1.40ms` from Los Angeles, US
216.191.251.82	AS6461 Zayo Bandwidth	`0.72ms` from Montreal, CA
124.214.198.194	AS2516 KDDI CORPORATION	`15.52ms` from Osaka, JP
66.85.52.242	AS62537 Sauce Labs Inc	`0.45ms` from San Jose, US
46.217.145.2	AS6821 Makedonski Telekom AD-Skopje	`1.76ms` from Skopje, MK
143.238.81.178	AS1221 Telstra Limited	`2.21ms` from Sydney, AU
42.127.172.194	AS10010 TOKAI Communications Corporation	`17.00ms` from Tokyo, JP
46.171.46.2	AS5617 Orange Polska Spolka Akcyjna	`6.47ms` from Wrocław, PL
195.205.228.2	AS5617 Orange Polska Spolka Akcyjna	`1.93ms` from Wrocław, PL
202.110.92.226	AS4837 CHINA UNICOM China169 Backbone	`4.06ms` from Zhengzhou, 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 55.54.171.73

traceroute to 55.54.171.73 (55.54.171.73): 7 hops max, 52 byte packets

3 [AS24971] 83.167.254.194 0.199 ms

4 [AS9002] 87.245.246.86 0.591 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Brno, CZ

On February 16th 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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