Possible BGP hijack

Beginning at 2021-12-04 14:29:22, we detected a possible BGP hijack.

Prefix 102.67.192.0/18, Normally announced by AS36924 GVA-Canalbox, CI

Starting at 2021-12-04 14:29:22, a more specific route (102.67.223.0/24) was announced by ASN 37721.

This was detected by 7 BGPMon peers.

Expected
Start time: 2021-12-04 14:29:22 UTC
Expected prefix: 102.67.192.0/18
Expected ASN: 36924 (GVA-Canalbox, CI)
Event Details
Detected advertisement: 102.67.223.0/24
Detected Origin ASN 37721 (Virtual-Technologies-Solutions-SA, BF)
Detected AS Path 18356 45458 45430 24482 43531 37721
Detected by number of BGPMon peers: 7

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