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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12.0.0.0/9 - AT&T Services, Inc.

Spam statistics 12.0.0.0/9 - AT&T Services, Inc.

Country
United States
AS Number
Number of IPs
8 388 608
Purpose of use
Unknown
Domain
-
Detected IP addresses
13 320
Spam active IPs
324
Spam rate
2.00%
Websites count
14 686
IP addresses with websites
4 950

Spam activity log

— spam active IP adresses

WhoIs: 12.0.0.0/9

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IP Addresses in this range 12.0.0.0/9