AS21928 T-Mobile USA, Inc., page 91

About AS21928

Ownership and Operational Activity

AS21928, also known as T-Mobile USA, Inc., is owned by T-Mobile USA. The main operational activity of T-Mobile USA involves providing a wide range of wireless voice and data services across the United States, including but not limited to 4G and 5G cellular communications.

Establishment

The establishment date of AS21928 aligns with the timeline of T-Mobile USA's expansion in the telecommunications market. However, specific details about the exact date of establishment for this autonomous system number (ASN) are not readily available without further research into the company's history and growth.

Security Concerns

As with any large network, there is potential for abuse by hackers or spammers. According to data retrieved from CleanTalk, there have been instances where AS21928 has been used with malicious intent. It is important to note that such activities do not necessarily reflect the intentions of the owner of the ASN but rather the actions of individual users or entities exploiting the network.

For detailed information on security incidents related to AS21928, it's recommended to review up-to-date records and reports provided by cybersecurity organizations and services that monitor IP addresses and ASNs for suspicious activities.