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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23.81.16.0/21 - LEASEWEB-USA-PHX-11

Spam statistics 23.81.16.0/21 - LEASEWEB-USA-PHX-11

Country
United States
AS Number
Number of IPs
2 048
Purpose of use
Hosting
Domain
-
Detected IP addresses
1 015
Spam active IPs
90
Spam rate
4.00%
Websites count
1 471
IP addresses with websites
859

Spam activity log

— spam active IP adresses

WhoIs: 23.81.16.0/21

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IP Addresses in this range 23.81.16.0/21