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.
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AS55 UPENN

Spam statistics of AS55 UPENN

Country
United States
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
478
Spam active IPs
38
Spam rate
7.95%
Websites count
399
IP addresses with websites
222

Spam activity log

— spam active IP adresses

WhoIs AS: as55

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Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1165.123.0.0/16United States65536151138.61%
2158.130.0.0/16United States655361021111.00%
3130.91.0.0/16United States6553614875.00%
4128.91.0.0/16United States6553619963.00%
5192.5.44.0/24United States25611100.00%