Possible BGP hijack

Beginning at 2020-02-13 11:22:44 UTC, we detected a possible BGP hijack.

Prefix 198.105.248.0/24, is normally announced by AS36029 AS-SEARCHGUIDE, US.

But beginning at 2020-02-13 11:22:44, the same prefix (198.105.248.0/24) was also announced by ASN 52871.

This was detected by 20 BGPMon peers.

Expected
Start time: 2020-02-13 11:22:44 UTC
Expected prefix: 198.105.248.0/24
Expected ASN: 36029 (AS-SEARCHGUIDE, US)
Event Details
Detected advertisement: 198.105.248.0/24
Detected Origin ASN 52871 (TASCOM TELECOMUNICAÇÕES LTDA, BR)
Detected AS Path 27553 12129 3491 58453 7738 7738 52871
Detected by number of BGPMon peers: 20

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