Possible BGP hijack

Beginning at 2023-04-25 15:02:00 UTC, we detected a possible BGP hijack.

Prefix 38.156.70.0/23, is normally announced by AS272739 .

But beginning at 2023-04-25 15:02:00, the same prefix (38.156.70.0/23) was also announced by ASN 271073.

This was detected by 12 BGPMon peers.

Expected
Start time: 2023-04-25 15:02:00 UTC
Expected prefix: 38.156.70.0/23
Expected ASN: 272739 ()
Event Details
Detected advertisement: 38.156.70.0/23
Detected Origin ASN 271073 (MORAES NET TELECOMUNICACOES - EIRELI, BR)
Detected AS Path 7018 3356 263966 263966 271073
Detected by number of BGPMon peers: 12

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