Possible BGP hijack

Beginning at 2019-10-10 04:01:50 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS263663 NOBREAK NET LTDA - M.E., BR.

But beginning at 2019-10-10 04:01:50, the same prefix ( was also announced by ASN 7018.

This was detected by 3 BGPMon peers.

Start time: 2019-10-10 04:01:50 UTC
Expected prefix:
Expected ASN: 263663 (NOBREAK NET LTDA - M.E., BR)
Event Details
Detected advertisement:
Detected Origin ASN 7018 (ATT-INTERNET4 - AT&T Services, Inc., US)
Detected AS Path 209097 198330 8928 7018
Detected by number of BGPMon peers: 3

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