Possible BGP hijack

Beginning at 2021-12-03 19:12:34 UTC, we detected a possible BGP hijack.

Prefix 2001:218:2200::/40, is normally announced by AS18259 HIGE NTT Communications Corporation, JP.

But beginning at 2021-12-03 19:12:34, the same prefix (2001:218:2200::/40) was also announced by ASN 269270.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-12-03 19:12:34 UTC
Expected prefix: 2001:218:2200::/40
Expected ASN: 18259 (HIGE NTT Communications Corporation, JP)
Event Details
Detected advertisement: 2001:218:2200::/40
Detected Origin ASN 269270 (ANDRE FERREIRA LIMA SERVICOS DE COMUNICACAO, BR)
Detected AS Path 53131 265442 265019 269270
Detected by number of BGPMon peers: 2

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