Possible BGP hijack

Beginning at 2022-11-26 17:29:07 UTC, we detected a possible BGP hijack.

Prefix 91.198.174.0/24, is normally announced by AS14907 WIKIMEDIA, US.

But beginning at 2022-11-26 17:29:07, the same prefix (91.198.174.0/24) was also announced by ASN 15399.

This was detected by 2 BGPMon peers.

Expected
Start time: 2022-11-26 17:29:07 UTC
Expected prefix: 91.198.174.0/24
Expected ASN: 14907 (WIKIMEDIA, US)
Event Details
Detected advertisement: 91.198.174.0/24
Detected Origin ASN 15399 (WANANCHI-, KE)
Detected AS Path 63956 23764 15399
Detected by number of BGPMon peers: 2

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