Possible BGP hijack

Beginning at 2023-11-14 21:21:14, we detected a possible BGP hijack.

Prefix 57.138.0.0/16, Normally announced by AS30029 DOBSONTECHTTS, US

Starting at 2023-11-14 21:21:14, a more specific route (57.138.50.0/24) was announced by ASN 400666.

This was detected by 6 BGPMon peers.

Expected
Start time: 2023-11-14 21:21:14 UTC
Expected prefix: 57.138.0.0/16
Expected ASN: 30029 (DOBSONTECHTTS, US)
Event Details
Detected advertisement: 57.138.50.0/24
Detected Origin ASN 400666 ()
Detected AS Path 15557 174 400666
Detected by number of BGPMon peers: 6

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