The data shown may not match the actual data as the AS data is updated monthly.
AS721 United States Department of Defense DoD
Spam statistics of AS721 United States Department of Defense DoD
| Country | Number of networks | IP Addresses | Purpose of use |
|---|---|---|---|
| United States | |||
| Domain | Detected IP addresses | Spam active IPs | Spam rate |
| - | 7 890 | 0 | 0.00% |
| Websites count | IP addresses with websites | ||
| 770 | 534 |
Spam activity log
About AS721
Owner of AS721
The owner of Autonomous System Number (AS) 721 is the United States Department of Defense Network (DoD Network), commonly referred to as DoDNET. This network is managed by the United States government and is primarily used for defense-related purposes.
Main Operational Activity of AS721's Owner
The main operational activity of AS721's owner, the United States Department of Defense, includes providing information systems and technology support that are required for military services. This encompasses secure communication channels, strategic command and control, intelligence sharing, and various other functions crucial to national security operations.
Establishment of AS721
AS721 has been in operation since the early days of the internet, but the specific date of establishment is not publicly documented. As a critical infrastructure component of the U.S. Department of Defense, it has likely been active since the creation of the Defense Data Network in the 1980s, which was one of the precursors to the modern internet.
Malicious Use of AS721
While any network can be susceptible to misuse, there is no specific information available indicating that AS721 is being used by hackers or spammers with malicious intent at a scale that is notable. The Department of Defense has significant cybersecurity measures in place to protect its network infrastructure. However, according to CleanTalk's blacklist monitoring page, there may have been isolated instances of malicious activity detected coming from this AS.
For detailed and up-to-date information regarding any potential abuses originating from AS721, one would need to refer to resources like CleanTalk's blacklist data, which tracks reported incidences of spam or hacking attempts associated with various autonomous systems.
Whois AS721
SPAM active IP addresses in AS721 United States Department of Defense DoD
| # | Sender IP | Detected | Last seen | Reported as spam |
|---|---|---|---|---|
| 1 | 205.56.162.41 | 2016-11-22 05:40:17 | 2026-11-01 21:21:21 | 3 |
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 55.0.0.0/8 | United States | 16777216 | 6357 | 0 | 0.00% |
| 2 | 55.0.8.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 3 | 55.0.16.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 4 | 55.0.40.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 5 | 55.0.48.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 6 | 55.0.52.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 7 | 55.0.84.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 8 | 55.0.92.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 9 | 55.0.96.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 10 | 55.0.100.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 11 | 55.0.104.0/22 | United States | 1024 | 2 | 0 | 0.00% |
| 12 | 55.0.112.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 13 | 55.0.120.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 14 | 55.0.172.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 15 | 55.0.176.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 16 | 55.0.188.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 17 | 55.9.4.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 18 | 55.9.8.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 19 | 55.9.24.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 20 | 55.9.32.0/22 | United States | 1024 | 2 | 0 | 0.00% |
| 21 | 55.9.44.0/22 | United States | 1024 | 2 | 0 | 0.00% |
| 22 | 55.9.52.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 23 | 55.9.76.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 24 | 55.9.108.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 25 | 55.9.124.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 26 | 55.9.132.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 27 | 55.9.144.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 28 | 55.9.152.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 29 | 55.9.156.0/22 | United States | 1024 | 1 | 0 | 0.00% |
| 30 | 55.9.160.0/22 | United States | 1024 | 1 | 0 | 0.00% |