AS4263 CERNET-ASN-BLOCK

Spam statistics of AS4263 CERNET-ASN-BLOCK

CountryNumber of networksIP AddressesPurpose of use
United States
DomainDetected IP addressesSpam active IPsSpam rate
-2200.00%
Websites countIP addresses with websites
00

Spam activity log

- spam active IP adresses

About AS4263


Ownership of AS4263


The autonomous system (AS) number 4263 is owned by California Education and Research Federation Network, better known as CERFnet. CERFnet is one of the original regional IP networks and was funded by the National Science Foundation.



Main Operational Activity of CERFnet


CERFnet's main operational activity involves providing Internet services for research and education communities within California. This includes connectivity services to universities, research institutions, and other educational entities. Their infrastructure supports the exchange of research data, collaboration between institutions, and access to educational resources.



Establishment of AS4263


AS4263 was established as an early part of the internet infrastructure designed for supporting academic and research activities. The precise establishment date of AS4263 is not typically public information, but it would be associated with the early development of regional academic networks in the late 1980s and early 1990s. CERFnet itself was established around that time.



Malicious Use of AS4263


Like any large network, AS4263 may occasionally be used by hackers or spammers with malicious intent. However, networks such as CERFnet generally have policies and security measures in place to detect and prevent such activities. According to cleantalk.org, a website that provides a blacklist service to help identify potential sources of spam and other forms of network abuse, there could be listings related to AS4263 if it has been identified in such activities. It is important to note that such incidents do not necessarily reflect the overall nature of traffic on CERFnet’s network but are often isolated cases of misuse.


WhoIs AS4263

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