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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76.4.72.0/21 - Qwest Communications Company, LLC

Spam statistics 76.4.72.0/21 - Qwest Communications Company, LLC

Country
United States
AS Number
Number of IPs
2048
Purpose of use
Unknown
Domain
-
Detected IP addresses
25
Spam active IPs
1
Spam rate
4.00%

Spam activity log

— spam active IP adresses

WhoIs: 76.4.72.0/21

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IP Addresses in this range 76.4.72.0/21