Autonomous System details

AS366

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

United States

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

AS366 – United States Department of Defense (DoD)

Field Value
Country United States
Website mail.mil
Hosted domains 0
IPv4 addresses 6,656
IPv6 addresses 310,693,935,640,959,697,899,487,232
ASN type Government
Registry arin
Allocated 37 years ago on Jun 30, 1989
Updated 6 months ago on Sep 12, 2025

IP Ranges

Netblock Company Num of IPs
55.82.132.0/22 Headquarters, USAISC 1,024
55.82.136.0/22 Headquarters, USAISC 1,024
55.82.148.0/22 Headquarters, USAISC 1,024
55.82.146.0/23 Headquarters, USAISC 512
55.82.5.0/24 Headquarters, USAISC 256
55.82.9.0/24 Headquarters, USAISC 256
55.82.10.0/24 Headquarters, USAISC 256
55.82.20.0/24 Headquarters, USAISC 256
55.82.53.0/24 Headquarters, USAISC 256
55.82.128.0/24 Headquarters, USAISC 256
55.82.129.0/24 Headquarters, USAISC 256
55.82.160.0/24 Headquarters, USAISC 256
55.82.200.0/24 Headquarters, USAISC 256
55.82.234.0/24 Headquarters, USAISC 256
55.82.245.0/24 Headquarters, USAISC 256
55.82.253.0/24 Headquarters, USAISC 256

Netblock Company
2608:10a:3600::/40 United States Department of Defense (DoD)
2001:480:280::/48 High Performance Computing
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
IP Ranges API

WHOIS Details

Join for free to view WHOIS details › 

                                                ASHandle:       AS366
                                                OrgID:          AS366
                                                ASName:         AS366
                                                ASNumber:       AS366
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
Get this data and more with IPinfo's WHOIS product - effortless access to POCs, ORGs, and Networks, for actionable intelligence.
IP WHOIS API & Database

Hosted Domains

There are no domains currently hosted on this ASN.

Discover all domains hosted on a single IP address with IPinfo's powerful Hosted Domains (Reverse IP) solution.
Useful for Cybersecurity
Hosted Domains API & Database

Peers

There are 2 peers for this ASN.

Peers Name
AS306 United States Department of Defense (DoD)
AS668 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.
ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS306 United States Department of Defense (DoD)
AS668 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.
ASN API & Database

Downstreams

There are no downstreams for this ASN.

Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Pingable IPs

1 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
2001:480:280:ddd3::245:26 AS366 United States Department of Defense (DoD) 5.36ms from Ashburn, US

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
195.37.110.254 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 9.86ms from Berlin, DE
54.190.229.238 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
216.125.155.30 AS6325 Illinois Century Network 2.70ms from Chicago, US
99.107.170.110 AS7018 AT&T Enterprises, LLC 12.21ms from Chicago, US
47.218.95.46 AS19108 Optimum 12.06ms from Dallas, US
47.120.65.254 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.21ms from Heyuan, CN
172.71.219.94 AS13335 Cloudflare, Inc. 0.41ms from Hong Kong, HK
125.159.148.254 AS4766 Korea Telecom 1.42ms from Incheon, KR
114.206.184.222 AS9318 SK Broadband Co Ltd 5.90ms from Incheon, KR
83.49.39.190 AS3352 TELEFONICA DE ESPANA S.A.U. 6.83ms from Madrid, ES
80.42.197.142 AS13285 TalkTalk Communications Limited 2.61ms from Manchester, GB
101.58.158.14 AS210278 Sky Italia srl 2.44ms from Milan, IT
60.62.211.158 AS9824 JCOM Co., Ltd. 8.95ms from Osaka, JP
87.89.38.142 AS5410 Bouygues Telecom SA 1.23ms from Paris, FR
112.241.226.142 AS4837 CHINA UNICOM China169 Backbone 7.29ms from Qingdao, CN
119.186.202.254 AS4837 CHINA UNICOM China169 Backbone 5.16ms from Qingdao, CN
13.223.242.78 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
68.121.155.142 AS7018 AT&T Enterprises, LLC 4.75ms from San Jose, US
83.239.110.174 AS25490 PJSC Rostelecom 16.08ms from Tbilisi, GE
78.40.140.238 AS203410 COLOBIX LTD 0.14ms from Toronto, CA
74.235.99.78 AS8075 Microsoft Corporation 0.41ms from Ashburn, US
195.168.168.190 AS5578 SWAN, a.s. 15.16ms from Bratislava, SK
12.231.97.126 AS7018 AT&T Enterprises, LLC 7.44ms from Chicago, US
173.175.246.222 AS11427 Charter Communications Inc 3.99ms from Dallas, US
64.43.1.238 AS15502 Vodafone Ireland Limited 3.37ms from Dublin, IE

Traceroute

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

$
traceroute -a -n -q1 -f2 -m9 55.82.132.226
traceroute to 55.82.132.226 (55.82.132.226): 9 hops max, 52 byte packets
3 *
4 *
5 *
6 [AS3356] 4.39.210.90 167.836 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Marseille, FR
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 AS366 at robtex.

Data built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales
IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs