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Network: MICROSOFT-IPV6-BLK

This page shows DMARC authentication failures originating from the MICROSOFT-IPV6-BLK network. Learn more about this data.

Network Information
Owner:
Microsoft
Org ID:
MSFT
Address:
One Microsoft Way, Redmond, WA 98052
Countries:
US
Unique IPs:
52
CIDRs:
2001:4898::/31, 2001:489A::/32, 2001:489A::/32, 2001:4898::/31

Analysis

This network has contributed 52 unique IP addresses across 71 failed authentication events, accounting for 72 messages. Activity from this network spans from September 12, 2024 to March 13, 2026. Activity from MICROSOFT-IPV6-BLK (Microsoft) has been observed from United States.

Failures Detected from this Network
Showing 1-50 of 71 (failures, affecting 72 messages)
Date ▲ Source IP Country Messages
9/12/2024 2001:489a:2202:c::625 US 1
9/26/2024 2001:489a:2202:d::62f US 1
10/22/2024 2001:489a:2202:d::613 US 1
11/11/2024 2001:489a:2202:c::62d US 1
11/19/2024 2001:489a:2202:d::60d US 1
12/4/2024 2001:489a:2202:d::60e US 1
12/17/2024 2001:489a:2202:d::61a US 1
12/18/2024 2001:489a:2202:5::208 US 1
12/18/2024 2001:489a:2202:c::620 US 1
12/19/2024 2001:489a:2202:4::204 US 1
12/19/2024 2001:489a:2202:5::205 US 1
2/14/2025 2001:489a:2202:4::207 US 1
2/14/2025 2001:489a:2202:c::60c US 1
2/26/2025 2001:489a:2202:4::206 US 1
2/26/2025 2001:489a:2202:d::61b US 1
5/1/2025 2001:489a:2202:d::620 US 1
5/2/2025 2001:489a:2202:d::605 US 1
5/2/2025 2001:489a:2202:d::61f US 1
5/13/2025 2001:489a:2202:c::62d US 1
5/16/2025 2001:489a:2202:d::60d US 1
6/4/2025 2001:489a:2202:d::60b US 1
6/4/2025 2001:489a:2202:d::62b US 1
6/18/2025 2001:489a:2202:d::61c US 1
6/25/2025 2001:489a:2202:4::202 US 1
6/26/2025 2001:489a:2202:d::614 US 1
6/27/2025 2001:489a:2202:c::612 US 1
6/27/2025 2001:489a:2202:c::61a US 1
6/27/2025 2001:489a:2202:d::60a US 1
6/27/2025 2001:489a:2202:d::614 US 1
6/27/2025 2001:489a:2202:d::61c US 1
6/30/2025 2001:489a:2202:c::600 US 1
7/1/2025 2001:489a:2202:d::616 US 1
7/2/2025 2001:489a:2202:5::203 US 1
7/9/2025 2001:489a:2202:4::201 US 2
7/10/2025 2001:489a:2202:d::615 US 1
7/17/2025 2001:489a:2202:d::624 US 1
7/18/2025 2001:489a:2202:c::629 US 1
7/30/2025 2001:489a:2202:c::60d US 1
7/31/2025 2001:489a:2202:c::600 US 1
9/10/2025 2001:489a:2202:c::618 US 1
9/11/2025 2001:489a:2202:d::624 US 1
9/12/2025 2001:489a:2202:c::62a US 1
9/17/2025 2001:489a:2202:c::62b US 1
9/18/2025 2001:489a:2202:d::606 US 1
9/26/2025 2001:489a:2202:c::622 US 1
10/1/2025 2001:489a:2202:d::62e US 1
10/2/2025 2001:489a:2202:c::612 US 1
10/3/2025 2001:489a:2202:c::61b US 1
10/8/2025 2001:489a:2202:c::608 US 1
10/9/2025 2001:489a:2202:d::61a US 1
Countries
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