Possible BGP hijack

Beginning at 2020-12-15 13:13:55 UTC, we detected a possible BGP hijack.

Prefix 91.224.11.0/24, is normally announced by AS52178 SHALB-AS, UA.

But beginning at 2020-12-15 13:13:55, the same prefix (91.224.11.0/24) was also announced by ASN 49859.

This was detected by 4 BGPMon peers.

Expected
Start time: 2020-12-15 13:13:55 UTC
Expected prefix: 91.224.11.0/24
Expected ASN: 52178 (SHALB-AS, UA)
Event Details
Detected advertisement: 91.224.11.0/24
Detected Origin ASN 49859 (ADAMANT2, UA)
Detected AS Path 36692 3257 3255 8788 8788 8788 49859
Detected by number of BGPMon peers: 4

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