AbuseIPDB » 51.57.81.99

51.57.81.99 was found in our database!

This IP was reported 108 times. Confidence of Abuse is 100%: ?

100%
ISP Microsoft Limited
Usage Type Data Center/Web Hosting/Transit
ASN AS8075
Domain Name microsoft.com
Country ๐Ÿ‡บ๐Ÿ‡ธ United States of America
City Phoenix, Arizona

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

IP Abuse Reports for 51.57.81.99:

This IP address has been reported a total of 108 times from 48 distinct sources. 51.57.81.99 was first reported on , and the most recent report was .

Recent Reports: We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter IoA Timestamp (UTC) Comment Categories
๐Ÿ‡ฌ๐Ÿ‡ง Andrew
Port Scan
๐Ÿ‡จ๐Ÿ‡ฆ celestialcity
Port Scan
๐Ÿ‡ซ๐Ÿ‡ฎ 6kilowatti
Port Scan
๐Ÿ‡ซ๐Ÿ‡ท security.rdmc.fr
VoIP Attack proto:UDP src:42928 dst:5060
Port Scan Fraud VoIP
๐Ÿ‡ท๐Ÿ‡ธ Smel
SIP/5060 Probe, Scan, BF, Hack -
Fraud VoIP Port Scan Hacking Brute-Force
๐Ÿ‡ฎ๐Ÿ‡ณ Mr.Singh
NFT blocked 51.57.81.99 on 01-Sep-2026..
Port Scan Brute-Force
๐Ÿ‡บ๐Ÿ‡ธ xmission.com
Port Scan Web App Attack
๐Ÿ‡บ๐Ÿ‡ธ RAP
2026-09-01 10:41:41 UTC Unauthorized activity to TCP port 8080. Web App
Port Scan Web App Attack
๐Ÿ‡บ๐Ÿ‡ธ MPL
tcp/8945
Port Scan
๐Ÿ‡ฉ๐Ÿ‡ช _ArminS_
SP-Scan 42132:623 detected 2026.09.01 11:47:12 blocked until 2026.10.21 04:49:59
Port Scan
๐Ÿ‡บ๐Ÿ‡ธ xmission.com
Port Scan
๐Ÿ‡ฒ๐Ÿ‡ณ Public CSIRT/CC of Mongolia
Honeypot hit: Unauthorized traffic (27 bytes of payload); 8945 [1] TCP
Port Scan
๐Ÿ‡บ๐Ÿ‡ธ xmission.com
Port Scan
๐Ÿ‡บ๐Ÿ‡ธ MPL
tcp/8083 (2 or more attempts)
Port Scan
๐Ÿ‡ฉ๐Ÿ‡ช reznekcs
Blocked by UFW firewall
Brute-Force

Showing 1 to 15 of 108 reports


Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown ๐Ÿšฉ

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