Possible BGP hijack

Beginning at 2021-05-12 16:51:29 UTC, we detected a possible BGP hijack.

Prefix 45.239.136.0/24, is normally announced by AS268362 ALANHOUSE NET TELECOM LTDA - ME, BR.

But beginning at 2021-05-12 16:51:29, the same prefix (45.239.136.0/24) was also announced by ASN 24429.

This was detected by 2 BGPMon peers.

Expected
Start time: 2021-05-12 16:51:29 UTC
Expected prefix: 45.239.136.0/24
Expected ASN: 268362 (ALANHOUSE NET TELECOM LTDA - ME, BR)
Event Details
Detected advertisement: 45.239.136.0/24
Detected Origin ASN 24429 (TAOBAO Zhejiang Taobao Network Co.,Ltd, CN)
Detected AS Path 133812 137363 58552 24429
Detected by number of BGPMon peers: 2

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