Possible BGP hijack

Beginning at 2022-12-05 13:50:40, we detected a possible BGP hijack.

Prefix 172.246.60.0/22, Normally announced by AS200484 SENDINBLUE-ASN, FR

Starting at 2022-12-05 13:50:40, a more specific route (172.246.63.0/24) was announced by ASN 16550.

This was detected by 72 BGPMon peers.

Expected
Start time: 2022-12-05 13:50:40 UTC
Expected prefix: 172.246.60.0/22
Expected ASN: 200484 (SENDINBLUE-ASN, FR)
Event Details
Detected advertisement: 172.246.63.0/24
Detected Origin ASN 16550 (GOOGLE-PRIVATE-CLOUD, US)
Detected AS Path 32563 6461 16550
Detected by number of BGPMon peers: 72

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