Owner: Microsoft

Owner Information

Networks:: MSFT MICROSOFT-IPV6-BLK UK-MICROSOFT-20060601
Network Count:: 3

Countries:: AU AT CA FR DE HK IN IE JP NO SG KR NL GB US

Failures Detected from this Owner

Show Confoundersⓘ

Showing 1-50 of 3,333 (failures, affecting 3,414 messages)

Date ▼	Network	Source IP	Country	Messages
3/24/2026	MSFT ⓘ	52.101.53.9	US	1
3/24/2026	MSFT ⓘ	52.101.61.4	US	1
3/13/2026	MSFT ⓘ	52.103.145.19	US	1
3/13/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:d::61f	US	1
3/12/2026	MSFT ⓘ	52.101.57.37	US	1
3/10/2026	MSFT ⓘ	52.101.52.38	US	1
3/5/2026	MSFT ⓘ	4.240.39.194	IN	1
2/27/2026	MSFT ⓘ	20.241.204.101	US	1
2/27/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:c::60b	US	1
2/24/2026	MSFT ⓘ	52.101.53.36	US	1
2/24/2026	MSFT ⓘ	52.101.48.30	US	1
1/29/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:c::612	US	1
1/28/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:d::61f	US	1
1/26/2026	MSFT ⓘ	40.107.208.27	US	1
1/15/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:c::622	US	1
1/15/2026	MSFT ⓘ	52.103.136.9	US	1
1/14/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:c::625	US	1
1/13/2026	MSFT ⓘ	52.101.56.140	US	1
1/8/2026	MSFT ⓘ	52.103.145.17	US	1
1/8/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:c::610	US	1
1/7/2026	MICROSOFT-IPV6-BLK	2001:489a:2202:d::62b	US	1
1/6/2026	MSFT ⓘ	40.107.200.82	US	1
1/6/2026	MSFT ⓘ	52.101.53.119	US	1
1/6/2026	MSFT ⓘ	52.101.53.83	US	1
12/19/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:d::617	US	1
12/19/2025	MSFT ⓘ	52.103.136.8	US	1
12/19/2025	MSFT ⓘ	52.103.145.18	US	1
12/19/2025	MSFT ⓘ	52.103.137.10	US	1
12/18/2025	MSFT ⓘ	52.101.46.38	US	1
12/17/2025	MSFT ⓘ	40.107.201.92	US	1
12/17/2025	MSFT ⓘ	40.107.208.98	US	1
12/16/2025	MSFT ⓘ	52.101.48.2	US	1
12/11/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:d::613	US	1
12/10/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:d::611	US	1
12/9/2025	MSFT ⓘ	40.107.200.142	US	1
12/5/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:c::60c	US	1
12/5/2025	MSFT ⓘ	23.103.199.144	US	1
12/5/2025	MSFT ⓘ	52.103.136.9	US	1
12/5/2025	MSFT ⓘ	52.103.136.25	US	1
12/4/2025	MSFT ⓘ	52.101.193.56	US	1
12/4/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:d::60e	US	1
12/3/2025	MSFT ⓘ	40.107.201.85	US	1
12/3/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:c::61c	US	1
12/2/2025	MSFT ⓘ	52.101.56.27	US	1
12/2/2025	MSFT ⓘ	40.107.200.87	US	1
12/2/2025	MSFT ⓘ	52.101.46.110	US	1
11/21/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:d::627	US	1
11/21/2025	MSFT ⓘ	52.103.136.8	US	1
11/20/2025	MICROSOFT-IPV6-BLK	2001:489a:2202:c::605	US	1
11/20/2025	MSFT ⓘ	52.101.52.34	US	1

Networks

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