AbuseIPDB » 172.16.17.21
172.16.17.21 was found in our database!
Important Note: 172.16.17.21 is a private IP address, and is only used in internal network environments. Any abusive activity you see coming from an internal IP is either coming from within your network itself, or is the result of an error or misconfiguration.
With this in mind, we present the reports on this page for entertainment and testing purposes only. If you mistakenly blacklist an internal IP, you will not have a good day!
IP Abuse Reports for 172.16.17.21:
This IP address has been reported a total of 3 times from 1 distinct source. 172.16.17.21 was first reported on , and the most recent report was .
Old Reports: The most recent abuse report for this IP address is from . It is possible that this IP is no longer involved in abusive activities.
| Reporter | IoA Timestamp (UTC) | Comment | Categories | |
|---|---|---|---|---|
| 🇺🇸 RAP |
2025-12-05 08:48:46 UTC Unauthorized activity to TCP port 445. SMB
|
Port Scan | ||
| 🇺🇸 RAP |
2025-10-16 07:57:55 UTC Unauthorized activity to TCP port 445. SMB
|
Port Scan | ||
| 🇺🇸 RAP |
2025-10-09 05:17:59 UTC Unauthorized activity to TCP port 445. SMB
|
Port Scan |
Showing 1 to 3 of 3 reports
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