Possible BGP hijack

Beginning at 2020-07-19 07:27:27, we detected a possible BGP hijack.

Prefix 15.194.0.0/16, Normally announced by AS7430 TANDEM, US

Starting at 2020-07-19 07:27:27, a more specific route (15.194.6.0/23) was announced by ASN 4445.

This was detected by 150 BGPMon peers.

Expected
Start time: 2020-07-19 07:27:27 UTC
Expected prefix: 15.194.0.0/16
Expected ASN: 7430 (TANDEM, US)
Event Details
Detected advertisement: 15.194.6.0/23
Detected Origin ASN 4445 (CWI-AS, US)
Detected AS Path 29430 13030 1299 7018 1931 13979 21302 33383 4445
Detected by number of BGPMon peers: 150

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