Possible BGP hijack

Beginning at 2021-05-09 05:19:20, we detected a possible BGP hijack.

Prefix 156.233.0.0/16, Normally announced by AS328608 Africa-on-Cloud-AS, ZA

Starting at 2021-05-09 05:19:20, a more specific route (156.233.224.0/19) was announced by ASN 399442.

This was detected by 59 BGPMon peers.

Expected
Start time: 2021-05-09 05:19:20 UTC
Expected prefix: 156.233.0.0/16
Expected ASN: 328608 (Africa-on-Cloud-AS, ZA)
Event Details
Detected advertisement: 156.233.224.0/19
Detected Origin ASN 399442 (FREEBEST-NETWORK-AS, US)
Detected AS Path 6881 15685 1299 398968 398968 398968 398968 399442
Detected by number of BGPMon peers: 59

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