Possible BGP hijack

Beginning at 2021-03-30 04:06:28, we detected a possible BGP hijack.

Prefix 11.0.0.0/8, Normally announced by AS8003 GRS-DOD, US

Starting at 2021-03-30 04:06:28, a more specific route (11.32.0.0/17) was announced by ASN 28573.

This was detected by 38 BGPMon peers.

Expected
Start time: 2021-03-30 04:06:28 UTC
Expected prefix: 11.0.0.0/8
Expected ASN: 8003 (GRS-DOD, US)
Event Details
Detected advertisement: 11.32.0.0/17
Detected Origin ASN 28573 (CLARO S.A., BR)
Detected AS Path 49673 24811 12389 6762 4230 28573
Detected by number of BGPMon peers: 38

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