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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AS2648 NIST-BOULDER

Spam statistics of AS2648 NIST-BOULDER

Country
United States
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
95
Spam active IPs
1
Spam rate
1.05%
Websites count
138
IP addresses with websites
67

Spam activity log

— spam active IP adresses

WhoIs AS: as2648

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Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1140.172.0.0/16United States655362414.17%
2132.163.0.0/16United States655361200.00%
3132.163.0.0/18United States163841500.00%
4132.163.64.0/22United States1024600.00%
5132.163.80.0/20United States4096300.00%
6132.163.128.0/17United States32768800.00%
7137.75.0.0/16United States655362800.00%