Possible BGP hijack

Beginning at 2023-07-16 17:01:59, we detected a possible BGP hijack.

Prefix 170.110.0.0/16, Normally announced by AS33343 HCHBNET, US

Starting at 2023-07-16 17:01:59, a more specific route (170.110.247.0/24) was announced by ASN 12076.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-07-16 17:01:59 UTC
Expected prefix: 170.110.0.0/16
Expected ASN: 33343 (HCHBNET, US)
Event Details
Detected advertisement: 170.110.247.0/24
Detected Origin ASN 12076 (MICROSOFT, US)
Detected AS Path 138540 9299 1299 10886 11956 3477 12076
Detected by number of BGPMon peers: 2

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