Possible BGP hijack

Beginning at 2022-07-25 16:10:38 UTC, we detected a possible BGP hijack.

Prefix 31.220.24.0/22, is normally announced by AS39572 ADVANCEDHOSTERS-AS, NL.

But beginning at 2022-07-25 16:10:38, the same prefix (31.220.24.0/22) was also announced by ASN 263637.

This was detected by 2 BGPMon peers.

Expected
Start time: 2022-07-25 16:10:38 UTC
Expected prefix: 31.220.24.0/22
Expected ASN: 39572 (ADVANCEDHOSTERS-AS, NL)
Event Details
Detected advertisement: 31.220.24.0/22
Detected Origin ASN 263637 (DIGITAL TECNOLOGIA & TELECOMUNICACAO LTDA, BR)
Detected AS Path 28300 263637
Detected by number of BGPMon peers: 2

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