MICROSOFT-MAINT is an organization / network operator whose IP space accounts for 51 reported IP addresses and 160 community abuse reports on AbuseTrack (between 06/15/2026 and 07/23/2026). Attribution is based on public WHOIS (RDAP) network data. The most frequently reported threat categories are Brute Force, Malware, Port Scan.
All organizations
Organization
MICROSOFT-MAINT
- WHOIS handle:
- 51.143.0.0 - 51.143.255.255
- Abuse contact:
- abuse@microsoft.com
United States160
Reports
51
Reported IPs
1
Networks
2
Reporters
Reported threat categories
Networks & IP ranges (26)
| Networks | Range | IPs | Reports | Last report |
|---|---|---|---|---|
| cloud172.174.0.0 - 172.174.255.255 | 172.174.0.0 - 172.174.255.255 | 5 | 32 | 07/23/2026 |
| cloud135.235.0.0 - 135.235.255.255 | 135.235.0.0 - 135.235.255.255 | 2 | 19 | 07/19/2026 |
| cloud135.116.0.0 - 135.116.255.255 | 135.116.0.0 - 135.116.255.255 | 1 | 17 | 07/19/2026 |
| cloud172.171.0.0 - 172.171.255.255 | 172.171.0.0 - 172.171.255.255 | 3 | 14 | 07/20/2026 |
| cloud172.202.0.0 - 172.202.255.255 | 172.202.0.0 - 172.202.255.255 | 8 | 12 | 07/19/2026 |
| cloud172.214.0.0 - 172.214.255.255 | 172.214.0.0 - 172.214.255.255 | 1 | 11 | 07/23/2026 |
| cloud130.131.128.0 - 130.131.255.255 | 130.131.128.0 - 130.131.255.255 | 3 | 9 | 07/23/2026 |
| cloud172.211.0.0 - 172.211.255.255 | 172.211.0.0 - 172.211.255.255 | 1 | 6 | 07/01/2026 |
| cloud135.237.0.0 - 135.237.255.255 | 135.237.0.0 - 135.237.255.255 | 5 | 5 | 07/19/2026 |
| cloud172.190.0.0 - 172.190.255.255 | 172.190.0.0 - 172.190.255.255 | 2 | 4 | 07/23/2026 |
| cloud172.200.0.0 - 172.200.255.255 | 172.200.0.0 - 172.200.255.255 | 1 | 4 | 07/10/2026 |
| cloud135.232.0.0 - 135.232.255.255 | 135.232.0.0 - 135.232.255.255 | 2 | 3 | 07/19/2026 |
| cloud172.188.0.0 - 172.188.255.255 | 172.188.0.0 - 172.188.255.255 | 1 | 3 | 07/03/2026 |
| cloud172.191.0.0 - 172.191.255.255 | 172.191.0.0 - 172.191.255.255 | 1 | 3 | 07/23/2026 |
| cloud172.213.0.0 - 172.213.255.255 | 172.213.0.0 - 172.213.255.255 | 2 | 2 | 07/17/2026 |
| cloud172.212.0.0 - 172.212.255.255 | 172.212.0.0 - 172.212.255.255 | 2 | 2 | 06/23/2026 |
| cloud132.196.0.0 - 132.196.127.255 | 132.196.0.0 - 132.196.127.255 | 2 | 2 | 07/17/2026 |
| cloud172.198.0.0 - 172.198.255.255 | 172.198.0.0 - 172.198.255.255 | 1 | 2 | 07/19/2026 |
| cloud48.217.0.0 - 48.217.255.255 | 48.217.0.0 - 48.217.255.255 | 1 | 2 | 06/18/2026 |
| cloud51.143.0.0 - 51.143.255.255 | 51.143.0.0 - 51.143.255.255 | 1 | 2 | 07/19/2026 |
| cloud172.206.0.0 - 172.206.255.255 | 172.206.0.0 - 172.206.255.255 | 1 | 1 | 06/24/2026 |
| cloud172.201.0.0 - 172.201.255.255 | 172.201.0.0 - 172.201.255.255 | 1 | 1 | 06/16/2026 |
| cloud172.161.0.0 - 172.161.255.255 | 172.161.0.0 - 172.161.255.255 | 1 | 1 | 06/29/2026 |
| cloud48.218.0.0 - 48.218.255.255 | 48.218.0.0 - 48.218.255.255 | 1 | 1 | 07/06/2026 |
| cloud51.107.0.0 - 51.107.127.255 | 51.107.0.0 - 51.107.127.255 | 1 | 1 | 06/29/2026 |
| cloud51.120.0.0 - 51.120.127.255 | 51.120.0.0 - 51.120.127.255 | 1 | 1 | 06/27/2026 |
Reported IP addresses (50)
172.174.17.234Brute ForceMedium26Reports07/23/2026135.235.138.43Brute ForceMedium18Reports07/16/2026135.116.20.17Brute ForceMedium17Reports07/19/2026172.171.233.230Brute ForceMedium12Reports07/09/2026172.214.209.153Brute ForceHigh11Reports07/23/2026130.131.220.95Brute ForceMedium7Reports07/23/2026172.211.56.214Brute ForceLow6Reports07/01/2026172.202.9.120Brute ForceMedium5Reports07/03/2026172.200.228.35Brute ForceMedium4Reports07/10/2026172.191.94.172Brute ForceMedium3Reports07/23/2026172.190.89.127Brute ForceMedium3Reports07/14/2026172.174.72.225Brute ForceMedium3Reports07/03/2026172.188.218.162Brute ForceLow3Reports07/03/2026172.198.65.198Brute ForceMedium2Reports07/19/202651.143.217.205Brute ForceMedium2Reports07/19/202648.217.40.30Brute ForceLow2Reports06/18/2026135.232.200.214Brute ForceLow2Reports06/17/2026130.131.162.82MalwareLow1Reports07/23/2026172.190.216.105Brute ForceLow1Reports07/23/2026130.131.231.171Port ScanLow1Reports07/20/2026172.171.198.214Port ScanLow1Reports07/20/2026172.202.30.177Port ScanLow1Reports07/19/2026172.174.88.139Brute ForceLow1Reports07/19/2026135.237.127.82MalwareLow1Reports07/19/2026172.171.240.58Brute ForceLow1Reports07/19/2026135.235.138.246Brute ForceLow1Reports07/19/2026135.232.198.98Brute ForceLow1Reports07/19/2026172.213.24.173Port ScanLow1Reports07/17/2026132.196.11.13Port ScanLow1Reports07/17/2026172.202.114.34MalwareLow1Reports07/16/2026172.174.244.235Port ScanLow1Reports07/11/2026135.237.126.203Port ScanLow1Reports07/09/2026172.174.244.189Port ScanLow1Reports07/08/2026172.202.104.157MalwareLow1Reports07/07/202648.218.188.18Port ScanLow1Reports07/06/2026172.202.118.20Port ScanLow1Reports07/05/2026172.202.118.82MalwareLow1Reports07/03/2026132.196.42.124Port ScanLow1Reports07/03/2026172.161.72.4Port ScanLow1Reports06/29/202651.107.68.88Port ScanLow1Reports06/29/2026172.213.152.46Port ScanLow1Reports06/28/202651.120.79.15Port ScanLow1Reports06/27/2026135.237.123.168Port ScanLow1Reports06/26/2026172.206.225.82Port ScanLow1Reports06/24/2026172.212.174.123Port ScanLow1Reports06/23/2026172.202.117.196Port ScanLow1Reports06/22/2026135.237.125.109Port ScanLow1Reports06/20/2026172.202.104.202Port ScanLow1Reports06/17/2026135.237.125.118MalwareLow1Reports06/17/2026172.212.187.180Port ScanLow1Reports06/16/2026
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