AS2500 WIDE Project, page 2
Spam statistics of AS2500 WIDE Project
Country | Number of networks | IP Addresses | Purpose of use |
---|---|---|---|
Japan | |||
Domain | Detected IP addresses | Spam active IPs | Spam rate |
- | 101 | 4 | 3.96% |
Websites count | IP addresses with websites | ||
247 | 143 |
Spam activity log
About AS2500
Owner of AS2500
The owner of Autonomous System (AS) 2500 is the University of Tokyo in Japan. The University of Tokyo, as an educational and research institution, operates this AS.
Main Operational Activity of AS2500
As a major university, the main operational activity of AS2500 is to provide internet connectivity for educational and research purposes. This includes facilitating access to academic resources, collaboration tools, and various other services necessary for the university's functions.
Establishment of AS2500
The exact date of establishment for AS2500 might not be publicly documented. Autonomous Systems are typically established when an organization requires a unique internet routing prefix. Since universities were among the first entities to connect to the early internet, it can be inferred that AS2500 was established relatively early in the history of the internet.
Usage of AS2500 by Hackers or Spammers
There is no specific information available indicating that AS2500 is frequently used by hackers or spammers with malicious intent. Academic networks, due to their open nature, may occasionally be targets or unwitting sources of malicious traffic, but these activities are generally not condoned or intended by the owning institutions. It is important for such organizations to implement security measures to mitigate unauthorized use of their systems.
Additional Details
According to the data from CleanTalk, there may not be significant reports of spam or hacking activity emanating from AS2500, suggesting that the University of Tokyo maintains a secure network environment. However, without current data from the provided link (https://cleantalk.org/blacklists/AS2500), it is difficult to draw definitive conclusions about recent activity. Network administrators typically monitor and address any security concerns as they arise to maintain the integrity of their networks.
WhoIs AS2500
Detected networks prefixes
# | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
---|---|---|---|---|---|---|
31 | 133.229.0.0/16 | Japan | 65536 | 6 | 0 | 0.00% |
32 | 133.229.36.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
33 | 133.229.40.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
34 | 133.229.76.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
35 | 133.229.148.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
36 | 133.229.216.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
37 | 136.198.0.0/16 | Japan | 65536 | 5 | 0 | 0.00% |
38 | 136.198.20.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
39 | 136.198.112.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
40 | 136.198.144.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
41 | 136.198.180.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
42 | 136.198.196.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
43 | 202.17.180.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
44 | 202.48.52.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
45 | 202.249.0.0/18 | Japan | 16384 | 4 | 0 | 0.00% |
46 | 202.249.25.0/24 | Japan | 256 | 1 | 0 | 0.00% |
47 | 202.249.48.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
48 | 202.249.60.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
49 | 202.249.72.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
50 | 202.249.104.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
51 | 202.249.116.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
52 | 202.249.120.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
53 | 203.178.128.0/22 | Japan | 1024 | 10 | 0 | 0.00% |
54 | 203.178.132.0/22 | Japan | 1024 | 12 | 0 | 0.00% |
55 | 203.178.136.0/22 | Japan | 1024 | 13 | 0 | 0.00% |
56 | 203.178.156.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
57 | 203.178.204.0/22 | Japan | 1024 | 1 | 0 | 0.00% |