Possible BGP hijack

Beginning at 2021-01-03 06:42:58, we detected a possible BGP hijack.

Prefix, Normally announced by AS37963 CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN

Starting at 2021-01-03 06:42:58, a more specific route ( was announced by ASN 9749.

This was detected by 3 BGPMon peers.

Start time: 2021-01-03 06:42:58 UTC
Expected prefix:
Expected ASN: 37963 (CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN)
Event Details
Detected advertisement:
Detected Origin ASN 9749 (GPKNET-AS-AU GPK Computers Pty Ltd, Internet Service Provider, Melbourne, AU)
Detected AS Path 24220 9749
Detected by number of BGPMon peers: 3

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