Possible BGP hijack

Beginning at 2021-04-26 14:36:03, we detected a possible BGP hijack.

Prefix 154.83.0.0/16, Normally announced by AS35916 MULTA-ASN1, US

Starting at 2021-04-26 14:36:03, a more specific route (154.83.4.0/23) was announced by ASN 203936.

This was detected by 14 BGPMon peers.

Expected
Start time: 2021-04-26 14:36:03 UTC
Expected prefix: 154.83.0.0/16
Expected ASN: 35916 (MULTA-ASN1, US)
Event Details
Detected advertisement: 154.83.4.0/23
Detected Origin ASN 203936 (MismeNet Telecomunicaciones, ES)
Detected AS Path 15547 43531 203936
Detected by number of BGPMon peers: 14

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