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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AS637 DoD Network Information Center

Spam statistics of AS637 DoD Network Information Center

Country
United States
Number of networks
IP Addresses
Purpose of use
Domain
-
Detected IP addresses
41
Spam active IPs
1
Spam rate
2.44%
Websites count
1
IP addresses with websites
1

Spam activity log

— spam active IP adresses

WhoIs AS: as637

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Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1138.162.128.0/22United States10243133.33%
2204.223.176.0/24United States256210.39%
3137.233.192.0/18United States16384100.00%
4138.156.0.0/16United States65536200.00%
5138.162.132.0/24United States256100.00%
6138.162.140.0/22United States1024300.00%
7138.163.160.0/22United States1024200.00%
8138.163.240.0/22United States1024200.00%
9143.211.0.0/16United States65536200.00%
10158.236.0.0/16United States65536300.00%
11158.237.0.0/16United States65536400.00%
12158.238.0.0/16United States65536500.00%
13158.239.0.0/16United States65536100.00%
14158.240.0.0/19United States8192100.00%
15158.240.32.0/19United States8192100.00%
16158.240.64.0/19United States8192100.00%
17158.240.128.0/17United States32768100.00%
18158.244.0.0/16United States65536200.00%
19158.245.0.0/16United States65536100.00%
20192.156.14.0/24United States256100.00%
21192.156.20.0/24United States256100.00%
22192.156.25.0/24United States25625600.00%
23192.156.28.0/24United States256100.00%
24192.156.29.0/24United States256100.00%
25192.156.37.0/24United States256100.00%
26199.121.76.0/24United States25625600.00%
27204.223.48.0/20United States4096100.00%
28204.223.96.0/20United States4096100.00%
29205.58.90.0/24United States256100.00%
30205.109.136.0/21United States2048200.00%