Possible BGP hijack

Beginning at 2022-10-24 16:03:56 UTC, we detected a possible BGP hijack.

Prefix 138.186.73.0/24, is normally announced by AS263853 Internet Norte Fluminense De Campos LTDA, BR.

But beginning at 2022-10-24 16:03:56, the same prefix (138.186.73.0/24) was also announced by ASN 9825.

This was detected by 5 BGPMon peers.

Expected
Start time: 2022-10-24 16:03:56 UTC
Expected prefix: 138.186.73.0/24
Expected ASN: 263853 (Internet Norte Fluminense De Campos LTDA, BR)
Event Details
Detected advertisement: 138.186.73.0/24
Detected Origin ASN 9825 (SDNP-BD-AS Sustainable Development Networking Program, BD)
Detected AS Path 49673 12389 3491 58453 58717 9825 9825 9825
Detected by number of BGPMon peers: 5

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