Possible BGP hijack

Beginning at 2020-12-08 02:16:40 UTC, we detected a possible BGP hijack.

Prefix 197.255.221.0/24, is normally announced by AS37200 SIMBANET-NIGERIA, NG.

But beginning at 2020-12-08 02:16:40, the same prefix (197.255.221.0/24) was also announced by ASN 64144.

This was detected by 82 BGPMon peers.

Expected
Start time: 2020-12-08 02:16:40 UTC
Expected prefix: 197.255.221.0/24
Expected ASN: 37200 (SIMBANET-NIGERIA, NG)
Event Details
Detected advertisement: 197.255.221.0/24
Detected Origin ASN 64144 (--No Registry Entry--)
Detected AS Path 397181 10929 6939 6762 37148 36932 36873 36873 36873 36873 36873 36873 36873 37230 64144
Detected by number of BGPMon peers: 82

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