Possible BGP hijack

Beginning at 2022-10-31 13:31:25 UTC, we detected a possible BGP hijack.

Prefix 91.197.71.0/24, is normally announced by AS208232 DVN-AS, UA.

But beginning at 2022-10-31 13:31:25, the same prefix (91.197.71.0/24) was also announced by ASN 56347.

This was detected by 74 BGPMon peers.

Expected
Start time: 2022-10-31 13:31:25 UTC
Expected prefix: 91.197.71.0/24
Expected ASN: 208232 (DVN-AS, UA)
Event Details
Detected advertisement: 91.197.71.0/24
Detected Origin ASN 56347 (MEDIANA-AS, UA)
Detected AS Path 38719 35297 56347
Detected by number of BGPMon peers: 74

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