Possible BGP hijack

Beginning at 2018-08-04 11:37:57 UTC, we detected a possible BGP hijack.

Prefix 170.244.232.0/22, is normally announced by AS266514 Antonio J De Albuquerque ME.

But beginning at 2018-08-04 11:37:57, the same prefix (170.244.232.0/22) was also announced by ASN 28310.

This was detected by 199 BGPMon peers.

Expected
Start time: 2018-08-04 11:37:57 UTC
Expected prefix: 170.244.232.0/22
Expected ASN: 266514 (Antonio J De Albuquerque ME)
Event Details
Detected advertisement: 170.244.232.0/22
Detected Origin ASN 28310 (SMART TELECOMUNICAÇÕES E SERVIÇOS EIRELLI EPP)
Detected AS Path 28824 16186 1299 3356 28310
Detected by number of BGPMon peers: 199

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