Possible BGP hijack

Beginning at 2021-03-24 16:55:02, we detected a possible BGP hijack.

Prefix 177.152.88.0/21, Normally announced by AS52535 Elonet Provedor de Internet Ltda, BR

Starting at 2021-03-24 16:55:02, a more specific route (177.152.89.0/24) was announced by ASN 52320.

This was detected by 10 BGPMon peers.

Expected
Start time: 2021-03-24 16:55:02 UTC
Expected prefix: 177.152.88.0/21
Expected ASN: 52535 (Elonet Provedor de Internet Ltda, BR)
Event Details
Detected advertisement: 177.152.89.0/24
Detected Origin ASN 52320 (GlobeNet Cabos Submarinos Colombia, S.A.S., CO)
Detected AS Path 393891 701 1299 52320
Detected by number of BGPMon peers: 10

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