Possible BGP hijack

Beginning at 2021-12-09 12:47:37 UTC, we detected a possible BGP hijack.

Prefix 154.204.24.0/21, is normally announced by AS131685 .

But beginning at 2021-12-09 12:47:37, the same prefix (154.204.24.0/21) was also announced by ASN 328608.

This was detected by 54 BGPMon peers.

Expected
Start time: 2021-12-09 12:47:37 UTC
Expected prefix: 154.204.24.0/21
Expected ASN: 131685 ()
Event Details
Detected advertisement: 154.204.24.0/21
Detected Origin ASN 328608 (Africa-on-Cloud-AS, ZA)
Detected AS Path 6643 6461 2914 64050 136800 328608
Detected by number of BGPMon peers: 54

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