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.

AS1742 Harvard University

Spam statistics of AS1742 Harvard University

Country
United States
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
471
Spam active IPs
20
Spam rate
4.25%
Websites count
726
IP addresses with websites
265

Spam activity log

— spam active IP adresses

WhoIs AS: as1742

loading...

Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1206.253.200.0/21United States204813969.00%
2206.191.184.0/21United States204847817.00%
365.112.0.0/20United States409610122.00%
4128.103.0.0/16United States6553621610.00%
567.134.204.0/22United States1024900.00%
6131.142.0.0/16United States655363400.00%
7140.247.0.0/16United States6553627100.00%
8192.131.102.0/24United States256100.00%