Possible BGP hijack

Beginning at 2023-02-08 18:25:55 UTC, we detected a possible BGP hijack.

Prefix 154.72.27.0/24, is normally announced by AS327742 SOMALI-WIRELESS, SO.

But beginning at 2023-02-08 18:25:55, the same prefix (154.72.27.0/24) was also announced by ASN 15399.

This was detected by 63 BGPMon peers.

Expected
Start time: 2023-02-08 18:25:55 UTC
Expected prefix: 154.72.27.0/24
Expected ASN: 327742 (SOMALI-WIRELESS, SO)
Event Details
Detected advertisement: 154.72.27.0/24
Detected Origin ASN 15399 (WANANCHI-, KE)
Detected AS Path 8781 3491 58453 15399 15399 15399
Detected by number of BGPMon peers: 63

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