Possible BGP hijack

Beginning at 2021-11-19 11:08:41, we detected a possible BGP hijack.

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

Starting at 2021-11-19 11:08:41, a more specific route (156.233.27.0/24) was announced by ASN 147176.

This was detected by 73 BGPMon peers.

Expected
Start time: 2021-11-19 11:08:41 UTC
Expected prefix: 156.233.0.0/16
Expected ASN: 328608 (Africa-on-Cloud-AS, ZA)
Event Details
Detected advertisement: 156.233.27.0/24
Detected Origin ASN 147176 ()
Detected AS Path 8468 15412 45629 147176
Detected by number of BGPMon peers: 73

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