Possible BGP hijack

Beginning at 2021-02-02 04:35:39 UTC, we detected a possible BGP hijack.

Prefix 156.231.64.0/18, is normally announced by AS328608 Africa-on-Cloud-AS, ZA.

But beginning at 2021-02-02 04:35:39, the same prefix (156.231.64.0/18) was also announced by ASN 64050.

This was detected by 63 BGPMon peers.

Expected
Start time: 2021-02-02 04:35:39 UTC
Expected prefix: 156.231.64.0/18
Expected ASN: 328608 (Africa-on-Cloud-AS, ZA)
Event Details
Detected advertisement: 156.231.64.0/18
Detected Origin ASN 64050 (BCPL-SG BGPNET Global ASN, SG)
Detected AS Path 25605 3356 1239 1239 17676 64050 64050
Detected by number of BGPMon peers: 63

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