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Summary IP address summary information Name
United States Department of Defense (DoD) Country
Website
Hosted domains
1 IPv4 addresses
35,584 IPv6 addresses
9.67 × 1024 ASN type
Government Registry
ARIN Allocated
23 years ago on Jan 16, 2003 Updated
1 year ago on Sep 12, 2025
WHOIS
ASHandle: █████
OrgID: █████
ASName: ██████
ASNumber: AS█████
RegDate: ████-██-██
Updated: ████-██-██
TechHandle: ████-████
Source: ████
Join for free to view WHOIS detailsPowered by ASN to WHOIS data Important routers in AS27066
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 AS27066 at robtex .
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Resources Resources
Pingable IPs 0 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
Other Pingable IPs IP Address ASN Details 172.173.188.58 Ping AS8075 Microsoft Corporation #236 0.48ms from Ashburn, US 195.33.223.170 Ping AS34984 Superonline Iletisim Hizmetleri A.S. #220 2.40ms from Istanbul, TR 23.60.152.26 Ping AS16625 Akamai Technologies, Inc. #20,493 0.25ms from Jakarta, ID 119.164.158.10 Ping AS4837 CHINA UNICOM China169 Backbone #10 2.18ms from Jinan, CN 79.16.32.234 Ping AS3269 Telecom Italia S.p.A. #37 4.54ms from Naples, IT 130.93.94.74 Ping AS25540 Alphalink SASU #3,203 0.46ms from Paris, FR 88.156.228.74 Ping AS29314 VECTRA S.A. #506 16.85ms from Warsaw, PL 50.213.223.10 Ping AS7922 Comcast Cable Communications, LLC #1 6.65ms from Ashburn, US 120.12.18.106 Ping AS4837 CHINA UNICOM China169 Backbone #10 6.86ms from Beijing, CN 3.150.58.170 Ping AS16509 Amazon.com, Inc. #23 0.23ms from Columbus, US
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Traceroute Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 -m11 214.23.244.63
traceroute to 214.23.244.63 (214.23.244.63 ): 11 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Fredericton, CA
On September 24, 2026
There are 1 upstreams for this ASN.
ASN Name Rank AS721 United States Department of Defense (DoD) #476
Share of IPv4 footprint per hexagon Less More
Countries by IPv4 share United States
97.8% Japan
1.4% Show 1 more country (0.72%)
Held location over 90 days 93%
Held location over 1 year 94%
Median days between moves 199 days
Geolocation scope Multinational How consistently this network's IPs hold their geolocation. Read relative to the network type, not as a quality score.
There are 1 domain names hosted across 1 IP addresses on this ASN.
Join for free to view to list hosted domains
Activity A pronounced day/night rhythm — the signature of a consumer/eyeball network whose users sleep at night.
Netblock Company Num of IPs United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
1,024 United States Department of Defense (DoD)
512
Show more IP Ranges
There are 34 peers for this ASN.
There are 31 downstreams for this ASN.
Times shown in United States local time (UTC-5). Less More
Peak hour 06:00–07:00
Active hours 13 hrs
Weekend vs weekday weekdays heavier
Busiest day Thu
Network type Government
Geography United States (98%) +2 more AS306 United States Department of Defense (DoD) #2,789
AS316 United States Department of Defense (DoD) #64,905
AS321 United States Department of Defense (DoD) #39,346
AS337 United States Department of Defense (DoD) #58,890
AS363 United States Department of Defense (DoD)
AS399 Air Force Systems Networking #25,583
AS405 Air Force Systems Networking
AS409 Air Force Systems Networking #30,259
AS427 Air Force Systems Networking #36,957
AS619 United States Department of Defense (DoD)
AS306 United States Department of Defense (DoD) #2,789
AS316 United States Department of Defense (DoD) #64,905
AS321 United States Department of Defense (DoD) #39,346
AS337 United States Department of Defense (DoD) #58,890
AS363 United States Department of Defense (DoD)
AS399 Air Force Systems Networking #25,583
AS405 Air Force Systems Networking
AS409 Air Force Systems Networking #30,259
AS427 Air Force Systems Networking #36,957
AS619 United States Department of Defense (DoD)