MICROSOFT-MAINT is an organization / network operator whose IP space accounts for 125 reported IP addresses and 852 community abuse reports on AbuseTrack (between 06/15/2026 and 10/22/2026). Attribution is based on public WHOIS (RDAP) network data. The most frequently reported threat categories are Brute Force, Data Theft, Malware.
All organizations
Organization
MICROSOFT-MAINT
- WHOIS handle:
- 57.151.0.0 - 57.151.255.255
- Abuse contact:
- abuse@microsoft.com
United States852
Reports
125
Reported IPs
1
Networks
4
Reporters
Reported threat categories
Networks & IP ranges (43)
| Networks | Range | IPs | Reports | Last report |
|---|---|---|---|---|
| cloud172.174.0.0 - 172.174.255.255 | 172.174.0.0 - 172.174.255.255 | 8 | 140 | 10/21/2026 |
| cloud172.190.0.0 - 172.190.255.255 | 172.190.0.0 - 172.190.255.255 | 4 | 90 | 10/20/2026 |
| cloud172.213.0.0 - 172.213.255.255 | 172.213.0.0 - 172.213.255.255 | 19 | 76 | 10/18/2026 |
| cloud135.235.0.0 - 135.235.255.255 | 135.235.0.0 - 135.235.255.255 | 4 | 65 | 10/20/2026 |
| cloud172.191.0.0 - 172.191.255.255 | 172.191.0.0 - 172.191.255.255 | 3 | 53 | 10/21/2026 |
| cloud172.172.0.0 - 172.172.255.255 | 172.172.0.0 - 172.172.255.255 | 2 | 45 | 10/22/2026 |
| cloud130.131.128.0 - 130.131.255.255 | 130.131.128.0 - 130.131.255.255 | 4 | 44 | 10/19/2026 |
| cloud172.202.0.0 - 172.202.255.255 | 172.202.0.0 - 172.202.255.255 | 13 | 38 | 10/19/2026 |
| cloud172.171.0.0 - 172.171.255.255 | 172.171.0.0 - 172.171.255.255 | 3 | 38 | 10/15/2026 |
| cloud172.214.0.0 - 172.214.255.255 | 172.214.0.0 - 172.214.255.255 | 3 | 28 | 10/16/2026 |
| cloud172.211.0.0 - 172.211.255.255 | 172.211.0.0 - 172.211.255.255 | 1 | 25 | 10/16/2026 |
| cloud135.116.0.0 - 135.116.255.255 | 135.116.0.0 - 135.116.255.255 | 1 | 24 | 07/30/2026 |
| cloud51.12.0.0 - 51.12.255.255 | 51.12.0.0 - 51.12.255.255 | 1 | 17 | 08/19/2026 |
| cloud172.160.0.0 - 172.160.255.255 | 172.160.0.0 - 172.160.255.255 | 1 | 17 | 10/21/2026 |
| cloud172.200.0.0 - 172.200.255.255 | 172.200.0.0 - 172.200.255.255 | 2 | 16 | 10/22/2026 |
| cloud51.120.0.0 - 51.120.127.255 | 51.120.0.0 - 51.120.127.255 | 5 | 12 | 08/14/2026 |
| cloud51.124.0.0 - 51.124.127.255 | 51.124.0.0 - 51.124.127.255 | 1 | 12 | 09/19/2026 |
| cloud51.103.0.0 - 51.103.255.255 | 51.103.0.0 - 51.103.255.255 | 2 | 11 | 08/14/2026 |
| cloud172.161.0.0 - 172.161.255.255 | 172.161.0.0 - 172.161.255.255 | 3 | 10 | 08/16/2026 |
| cloud135.225.0.0 - 135.225.255.255 | 135.225.0.0 - 135.225.255.255 | 2 | 9 | 08/21/2026 |
| cloud172.177.0.0 - 172.177.255.255 | 172.177.0.0 - 172.177.255.255 | 1 | 9 | 08/07/2026 |
| cloud135.237.0.0 - 135.237.255.255 | 135.237.0.0 - 135.237.255.255 | 8 | 8 | 08/23/2026 |
| cloud51.116.128.0 - 51.116.255.255 | 51.116.128.0 - 51.116.255.255 | 2 | 8 | 08/21/2026 |
| cloud172.182.0.0 - 172.182.255.255 | 172.182.0.0 - 172.182.255.255 | 2 | 7 | 08/26/2026 |
| cloud135.119.0.0 - 135.119.255.255 | 135.119.0.0 - 135.119.255.255 | 3 | 6 | 08/03/2026 |
| cloud51.107.128.0 - 51.107.255.255 | 51.107.128.0 - 51.107.255.255 | 1 | 6 | 08/16/2026 |
| cloud135.232.0.0 - 135.232.255.255 | 135.232.0.0 - 135.232.255.255 | 3 | 5 | 08/10/2026 |
| cloud172.212.0.0 - 172.212.255.255 | 172.212.0.0 - 172.212.255.255 | 3 | 5 | 08/25/2026 |
| cloud132.196.0.0 - 132.196.127.255 | 132.196.0.0 - 132.196.127.255 | 4 | 4 | 08/21/2026 |
| cloud48.214.0.0 - 48.214.255.255 | 48.214.0.0 - 48.214.255.255 | 2 | 3 | 10/02/2026 |
| cloud51.107.0.0 - 51.107.127.255 | 51.107.0.0 - 51.107.127.255 | 2 | 3 | 07/25/2026 |
| cloud172.188.0.0 - 172.188.255.255 | 172.188.0.0 - 172.188.255.255 | 1 | 3 | 07/03/2026 |
| 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 |
| cloud172.198.0.0 - 172.198.255.255 | 172.198.0.0 - 172.198.255.255 | 1 | 2 | 07/19/2026 |
| cloud135.13.0.0 - 135.13.127.255 | 135.13.0.0 - 135.13.127.255 | 1 | 2 | 08/11/2026 |
| cloud51.136.0.0 - 51.136.255.255 | 51.136.0.0 - 51.136.255.255 | 1 | 1 | 08/12/2026 |
| cloud57.151.0.0 - 57.151.255.255 | 57.151.0.0 - 57.151.255.255 | 1 | 1 | 08/02/2026 |
| cloud48.218.0.0 - 48.218.255.255 | 48.218.0.0 - 48.218.255.255 | 1 | 1 | 07/06/2026 |
| cloud48.210.0.0 - 48.210.255.255 | 48.210.0.0 - 48.210.255.255 | 1 | 1 | 07/27/2026 |
| cloud172.210.0.0 - 172.210.255.255 | 172.210.0.0 - 172.210.255.255 | 1 | 1 | 08/17/2026 |
| 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 |
Reported IP addresses (50)
172.174.17.234Brute ForceHigh62Reports10/21/2026172.172.170.199Brute ForceMedium44Reports10/22/2026130.131.220.95Brute ForceHigh41Reports10/19/2026135.235.138.43Brute ForceMedium37Reports10/17/2026172.171.233.230Brute ForceMedium36Reports10/15/2026172.191.94.172Brute ForceMedium30Reports10/10/2026172.190.216.105Brute ForceMedium29Reports10/04/2026172.214.209.153Brute ForceMedium26Reports10/16/2026172.174.46.118Brute ForceMedium26Reports10/03/2026172.211.56.214Brute ForceHigh25Reports10/16/2026172.190.13.234Brute ForceHigh24Reports10/20/2026135.116.20.17Brute ForceLow24Reports07/30/2026135.235.196.148Brute ForceMedium23Reports10/20/2026172.174.5.146Brute ForceHigh22Reports10/21/2026172.174.72.225Brute ForceMedium22Reports10/19/2026172.202.9.120Brute ForceMedium22Reports10/19/2026172.191.178.196Brute ForceHigh20Reports10/21/2026172.190.89.127Brute ForceMedium20Reports10/11/2026172.160.227.37Brute ForceMedium17Reports10/21/2026172.190.100.10Brute ForceLow17Reports09/12/202651.12.221.15Brute ForceLow17Reports08/19/2026172.213.17.173Brute ForceHigh13Reports10/18/2026172.200.195.165Brute ForceHigh12Reports10/22/202651.124.112.121Brute ForceLow12Reports09/19/2026172.213.8.197Brute ForceHigh9Reports10/18/2026172.177.96.252Brute ForceLow9Reports08/07/2026172.213.225.181Port ScanLow7Reports08/01/2026135.225.75.187Port ScanLow6Reports08/21/202651.107.190.246Port ScanLow6Reports08/16/202651.103.131.31Port ScanLow6Reports08/14/2026172.174.245.26Brute ForceLow5Reports09/01/2026172.182.200.96Malware · Port ScanLow5Reports08/26/202651.116.232.28Port ScanLow5Reports08/21/2026172.213.227.73Port ScanLow5Reports08/12/2026172.161.1.105Port ScanLow5Reports08/11/202651.103.152.96Port ScanLow5Reports08/07/2026172.213.8.106Port ScanLow5Reports08/02/2026172.213.17.107Port ScanLow5Reports08/01/2026135.235.181.231Brute ForceMedium4Reports10/09/2026172.213.243.2Port ScanLow4Reports08/20/2026172.202.39.151Port ScanLow4Reports08/18/2026172.161.0.2Port ScanLow4Reports08/16/2026172.213.208.13Port ScanLow4Reports08/11/2026172.213.153.79Port ScanLow4Reports08/07/2026172.213.216.126Port ScanLow4Reports08/03/2026172.200.228.35Brute ForceLow4Reports07/10/2026172.212.194.58Port ScanLow3Reports08/25/2026172.191.149.99Port ScanLow3Reports08/25/2026172.213.25.50Port ScanLow3Reports08/24/2026135.225.78.186Port ScanLow3Reports08/21/2026
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