Possible BGP hijack

Beginning at 2021-03-01 20:50:47 UTC, we detected a possible BGP hijack.

Prefix 2402:5b00:20::/44, is normally announced by AS18002 WORLDPHONE-IN AS Number for Interdomain Routing, IN.

But beginning at 2021-03-01 20:50:47, the same prefix (2402:5b00:20::/44) was also announced by ASN 269684.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-03-01 20:50:47 UTC
Expected prefix: 2402:5b00:20::/44
Expected ASN: 18002 (WORLDPHONE-IN AS Number for Interdomain Routing, IN)
Event Details
Detected advertisement: 2402:5b00:20::/44
Detected Origin ASN 269684 (LANFIBRA TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 52694 266539 269684
Detected by number of BGPMon peers: 3

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