Possible BGP hijack

Beginning at 2019-06-25 00:38:45, we detected a possible BGP hijack.

Prefix 145.34.136.0/21, Normally announced by AS138335 BBIOPL-AS-AP BHP BILLITON IRON ORE PTY. LTD., AU

Starting at 2019-06-25 00:38:45, a more specific route (145.34.136.0/23) was announced by ASN 3356.

This was detected by 173 BGPMon peers.

Expected
Start time: 2019-06-25 00:38:45 UTC
Expected prefix: 145.34.136.0/21
Expected ASN: 138335 (BBIOPL-AS-AP BHP BILLITON IRON ORE PTY. LTD., AU)
Event Details
Detected advertisement: 145.34.136.0/23
Detected Origin ASN 3356 (LEVEL3 - Level 3 Parent, LLC, US)
Detected AS Path 29396 6762 3356
Detected by number of BGPMon peers: 173

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