Possible BGP hijack

Beginning at 2018-11-07 11:55:40, we detected a possible BGP hijack.

Prefix 204.139.64.0/18, Normally announced by AS18964 Adventist Health Systems SSCI

Starting at 2018-11-07 11:55:40, a more specific route (204.139.96.0/24) was announced by ASN 14455.

This was detected by 75 BGPMon peers.

Expected
Start time: 2018-11-07 11:55:40 UTC
Expected prefix: 204.139.64.0/18
Expected ASN: 18964 (Adventist Health Systems SSCI)
Event Details
Detected advertisement: 204.139.96.0/24
Detected Origin ASN 14455 (Sungard Network Solutions, Inc.)
Detected AS Path 27553 1299 209 7381 14455
Detected by number of BGPMon peers: 75

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