Possible BGP hijack

Beginning at 2023-10-09 19:44:10 UTC, we detected a possible BGP hijack.

Prefix 179.51.220.0/23, is normally announced by AS271243 MAKROSAT TECNOLOGIA E CORRETORA DE SEGUROS LTDA -, BR.

But beginning at 2023-10-09 19:44:10, the same prefix (179.51.220.0/23) was also announced by ASN 24429.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-10-09 19:44:10 UTC
Expected prefix: 179.51.220.0/23
Expected ASN: 271243 (MAKROSAT TECNOLOGIA E CORRETORA DE SEGUROS LTDA -, BR)
Event Details
Detected advertisement: 179.51.220.0/23
Detected Origin ASN 24429 (TAOBAO Zhejiang Taobao Network Co.,Ltd, CN)
Detected AS Path 34019 29169 35280 24429
Detected by number of BGPMon peers: 2

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