Possible BGP hijack

Beginning at 2019-07-30 02:37:57 UTC, we detected a possible BGP hijack.

Prefix 198.143.0.0/19, is normally announced by AS13768 COGECO-PEER1 - Cogeco Peer 1, CA.

But beginning at 2019-07-30 02:37:57, the same prefix (198.143.0.0/19) was also announced by ASN 54301.

This was detected by 54 BGPMon peers.

Expected
Start time: 2019-07-30 02:37:57 UTC
Expected prefix: 198.143.0.0/19
Expected ASN: 13768 (COGECO-PEER1 - Cogeco Peer 1, CA)
Event Details
Detected advertisement: 198.143.0.0/19
Detected Origin ASN 54301 (IPHASE-AS - Interphase Communications, Inc., US)
Detected AS Path 48200 1299 2828 54301
Detected by number of BGPMon peers: 54

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