Possible BGP hijack

Beginning at 2023-09-08 16:19:03 UTC, we detected a possible BGP hijack.

Prefix 197.80.0.0/13, is normally announced by AS10474 OPTINET, ZA.

But beginning at 2023-09-08 16:19:03, the same prefix (197.80.0.0/13) was also announced by ASN 15399.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-09-08 16:19:03 UTC
Expected prefix: 197.80.0.0/13
Expected ASN: 10474 (OPTINET, ZA)
Event Details
Detected advertisement: 197.80.0.0/13
Detected Origin ASN 15399 (WANANCHI-, KE)
Detected AS Path 48200 23764 15399
Detected by number of BGPMon peers: 2

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