Possible BGP hijack

Beginning at 2020-05-18 09:43:25, we detected a possible BGP hijack.

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

Starting at 2020-05-18 09:43:25, a more specific route (20.20.20.0/24) was announced by ASN 222222.

This was detected by 17 BGPMon peers.

Expected
Start time: 2020-05-18 09:43:25 UTC
Expected prefix: 20.0.0.0/11
Expected ASN: 8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
Event Details
Detected advertisement: 20.20.20.0/24
Detected Origin ASN 222222 ()
Detected AS Path 43561 3330 222222
Detected by number of BGPMon peers: 17

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