Possible BGP hijack

Beginning at 2021-03-24 17:32:44 UTC, we detected a possible BGP hijack.

Prefix 102.70.12.0/22, is normally announced by AS37294 TNM, MW.

But beginning at 2021-03-24 17:32:44, the same prefix (102.70.12.0/22) was also announced by ASN 139646.

This was detected by 22 BGPMon peers.

Expected
Start time: 2021-03-24 17:32:44 UTC
Expected prefix: 102.70.12.0/22
Expected ASN: 37294 (TNM, MW)
Event Details
Detected advertisement: 102.70.12.0/22
Detected Origin ASN 139646 (HKMTC-AS-AP HONG KONG Megalayer Technology Co.,Limited, HK)
Detected AS Path 209218 20473 3491 58453 139646
Detected by number of BGPMon peers: 22

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