AS356 DNIC-ASBLK-00306-00371

About AS356

Owner of AS356

The owner of Autonomous System Number (ASN) AS356 is the United States Department of Defense Network, commonly known as DoD Network. This ASN encompasses the IP space that is managed and utilized by the various entities within the US Department of Defense.

Main Operational Activity

The main operational activity of AS356's owner involves securing and managing the network infrastructure required for the communications and operations of the United States military. This includes protection against cyber threats, ensuring secure communication channels, and maintaining a reliable network for defense-related activities.

Establishment of AS356

While the exact establishment date of AS356 may not be publicly disclosed, the Department of Defense has been involved in the development and use of networked computers since the ARPANET days in the late 1960s and 1970s. The evolution of their network management capabilities has continued into the present with the modernization of military communications infrastructure.

Malicious Use of AS356

Given that AS356 is managed by the US Department of Defense, it is highly monitored and secured. However, no network is entirely immune to unauthorized use. According to data from CleanTalk, there have been incidents where IPs within AS356 were reportedly used for spamming or malicious activities. Here are some details:

• Spam statistics and blacklisting status can change frequently due to continuous monitoring and security measures.


• The listed incidents do not necessarily reflect the policy or endorsement of spamming activities by the Department of Defense, but rather potential security breaches or misused resources.


• Efforts are likely in place to identify, address, and prevent unauthorized use within this ASN to maintain the integrity and security of the Department of Defense networks.