Possible BGP hijack

Beginning at 2017-04-02 14:48:00 UTC, we detected a possible BGP hijack.

Prefix 205.174.40.0/24, is normally announced by AS4637 Telstra Global.

But beginning at 2017-04-02 14:48:00, the same prefix (205.174.40.0/24) was also announced by ASN 19551.

This was detected by 86 BGPMon peers.

Expected
Start time: 2017-04-02 14:48:00 UTC
Expected prefix: 205.174.40.0/24
Expected ASN: 4637 (Telstra Global)
Event Details
Detected advertisement: 205.174.40.0/24
Detected Origin ASN 19551 (Incapsula Inc)
Detected AS Path 56309 4651 2914 19551
Detected by number of BGPMon peers: 86

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