Possible BGP hijack

Beginning at 2021-12-15 10:26:58, we detected a possible BGP hijack.

Prefix 101.103.0.0/16, Normally announced by AS1221 ASN-TELSTRA Telstra Corporation Ltd, AU

Starting at 2021-12-15 10:26:58, a more specific route (101.103.206.0/23) was announced by ASN 139646.

This was detected by 45 BGPMon peers.

Expected
Start time: 2021-12-15 10:26:58 UTC
Expected prefix: 101.103.0.0/16
Expected ASN: 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Event Details
Detected advertisement: 101.103.206.0/23
Detected Origin ASN 139646 (HKMTC-AS-AP HONG KONG Megalayer Technology Co.,Limited, HK)
Detected AS Path 393891 6939 9304 139646
Detected by number of BGPMon peers: 45

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