Possible BGP hijack

Beginning at 2020-09-17 12:18:57, we detected a possible BGP hijack.

Prefix 151.101.128.0/22, Normally announced by AS54113 FASTLY, US

Starting at 2020-09-17 12:18:57, a more specific route (151.101.128.0/24) was announced by ASN 28166.

This was detected by 25 BGPMon peers.

Expected
Start time: 2020-09-17 12:18:57 UTC
Expected prefix: 151.101.128.0/22
Expected ASN: 54113 (FASTLY, US)
Event Details
Detected advertisement: 151.101.128.0/24
Detected Origin ASN 28166 (Telecom South America S/A, BR)
Detected AS Path 263287 262868 28166
Detected by number of BGPMon peers: 25

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