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.
Do you want to monitor spam activity from this network?
Send your request via support@cleantalk.org.

AS4730 Osaka University

Spam statistics of AS4730 Osaka University

Country
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
100
Spam active IPs
3
Spam rate
3.00%
Websites count
158
IP addresses with websites
101

Spam activity log

— spam active IP adresses

WhoIs AS: as4730

loading...

Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1133.1.0.0/166553615520.00%
2133.1.0.0/221024110.00%
3133.1.84.0/221024610.00%
4133.1.4.0/221024200.00%
5133.1.12.0/221024200.00%
6133.1.16.0/221024300.00%
7133.1.20.0/221024300.00%
8133.1.24.0/221024100.00%
9133.1.28.0/221024200.00%
10133.1.32.0/221024100.00%
11133.1.44.0/221024600.00%
12133.1.48.0/221024400.00%
13133.1.52.0/221024400.00%
14133.1.56.0/221024600.00%
15133.1.60.0/221024200.00%
16133.1.68.0/221024100.00%
17133.1.88.0/221024400.00%
18133.1.92.0/221024200.00%
19133.1.96.0/221024100.00%
20133.1.100.0/221024600.00%
21133.1.104.0/221024100.00%
22133.1.112.0/221024200.00%
23133.1.116.0/221024100.00%
24133.1.120.0/221024500.00%
25133.1.124.0/221024200.00%
26133.1.128.0/221024100.00%
27133.1.136.0/2210241600.00%
28133.1.140.0/221024200.00%
29133.1.144.0/221024300.00%
30133.1.148.0/221024300.00%