CleanTalk keeps track of the IP addresses in spam messages, to help Hosting and ISP companies to know about suspicious activity in the address space of a company. The presence of IP addresses in this list, it is an occasion to start audit server security that uses a particular address.
AS4730 Osaka University
Spam statistics of AS4730 Osaka University
Country
Japan
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
99
Spam active IPs
3
Spam rate
3.03%
Websites count
207
IP addresses with websites
138
WhoIs AS: as4730
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 133.1.0.0/16 | Japan | 65536 | 190 | 2 | 0.00% |
| 2 | 133.1.0.0/22 | Japan | 1024 | 2 | 1 | 0.00% |
| 3 | 133.1.84.0/22 | Japan | 1024 | 7 | 1 | 0.00% |
| 4 | 133.1.4.0/22 | Japan | 1024 | 7 | 0 | 0.00% |
| 5 | 133.1.16.0/22 | Japan | 1024 | 5 | 0 | 0.00% |
| 6 | 133.1.20.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 7 | 133.1.24.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 8 | 133.1.28.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 9 | 133.1.32.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
| 10 | 133.1.36.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
| 11 | 133.1.44.0/22 | Japan | 1024 | 8 | 0 | 0.00% |
| 12 | 133.1.48.0/22 | Japan | 1024 | 7 | 0 | 0.00% |
| 13 | 133.1.52.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 14 | 133.1.56.0/22 | Japan | 1024 | 8 | 0 | 0.00% |
| 15 | 133.1.60.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 16 | 133.1.64.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
| 17 | 133.1.68.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 18 | 133.1.72.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
| 19 | 133.1.76.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 20 | 133.1.88.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 21 | 133.1.92.0/22 | Japan | 1024 | 4 | 0 | 0.00% |
| 22 | 133.1.96.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
| 23 | 133.1.100.0/22 | Japan | 1024 | 4 | 0 | 0.00% |
| 24 | 133.1.104.0/22 | Japan | 1024 | 3 | 0 | 0.00% |
| 25 | 133.1.112.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 26 | 133.1.116.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 27 | 133.1.120.0/22 | Japan | 1024 | 5 | 0 | 0.00% |
| 28 | 133.1.124.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 29 | 133.1.128.0/22 | Japan | 1024 | 2 | 0 | 0.00% |
| 30 | 133.1.132.0/22 | Japan | 1024 | 1 | 0 | 0.00% |
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