Possible BGP hijack

Beginning at 2022-09-06 20:35:11, we detected a possible BGP hijack.

Prefix 159.138.112.0/21, Normally announced by AS136907 HWCLOUDS-AS-AP HUAWEI CLOUDS, HK

Starting at 2022-09-06 20:35:11, a more specific route (159.138.117.0/24) was announced by ASN 264619.

This was detected by 4 BGPMon peers.

Expected
Start time: 2022-09-06 20:35:11 UTC
Expected prefix: 159.138.112.0/21
Expected ASN: 136907 (HWCLOUDS-AS-AP HUAWEI CLOUDS, HK)
Event Details
Detected advertisement: 159.138.117.0/24
Detected Origin ASN 264619 (Wireless Provider, AR)
Detected AS Path 3597 11058 266725 264619
Detected by number of BGPMon peers: 4

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