Possible BGP hijack

Beginning at 2019-09-23 11:38:14, we detected a possible BGP hijack.

Prefix 20.0.0.0/11, Normally announced by AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US

Starting at 2019-09-23 11:38:14, a more specific route (20.20.20.0/24) was announced by ASN 208780.

This was detected by 70 BGPMon peers.

Expected
Start time: 2019-09-23 11:38:14 UTC
Expected prefix: 20.0.0.0/11
Expected ASN: 8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
Event Details
Detected advertisement: 20.20.20.0/24
Detected Origin ASN 208780 (ASANDIAL, RU)
Detected AS Path 6643 36086 6461 31133 208780
Detected by number of BGPMon peers: 70

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