Possible BGP hijack

Beginning at 2021-12-29 23:19:24 UTC, we detected a possible BGP hijack.

Prefix 132.255.212.0/23, is normally announced by AS264521 SLIM NET TELECOM LTDA, BR.

But beginning at 2021-12-29 23:19:24, the same prefix (132.255.212.0/23) was also announced by ASN 26452.

This was detected by 21 BGPMon peers.

Expected
Start time: 2021-12-29 23:19:24 UTC
Expected prefix: 132.255.212.0/23
Expected ASN: 264521 (SLIM NET TELECOM LTDA, BR)
Event Details
Detected advertisement: 132.255.212.0/23
Detected Origin ASN 26452 (BRING-AS, US)
Detected AS Path 48659 3257 16735 263097 263650 26452
Detected by number of BGPMon peers: 21

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