Possible BGP hijack

Beginning at 2021-12-31 12:26:03, we detected a possible BGP hijack.

Prefix 188.165.0.0/16, Normally announced by AS16276 OVH, FR

Starting at 2021-12-31 12:26:03, a more specific route (188.165.144.0/24) was announced by ASN 27693.

This was detected by 12 BGPMon peers.

Expected
Start time: 2021-12-31 12:26:03 UTC
Expected prefix: 188.165.0.0/16
Expected ASN: 16276 (OVH, FR)
Event Details
Detected advertisement: 188.165.144.0/24
Detected Origin ASN 27693 (NipBr - NipCable do Brasil Telecom LTDA, BR)
Detected AS Path 28140 263320 27693
Detected by number of BGPMon peers: 12

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