Possible BGP hijack

Beginning at 2020-03-19 10:45:28, we detected a possible BGP hijack.

Prefix 139.27.0.0/16, Normally announced by AS15854 HP_WEBSERVICES, DE

Starting at 2020-03-19 10:45:28, a more specific route (139.27.241.0/24) was announced by ASN 2830.

This was detected by 161 BGPMon peers.

Expected
Start time: 2020-03-19 10:45:28 UTC
Expected prefix: 139.27.0.0/16
Expected ASN: 15854 (HP_WEBSERVICES, DE)
Event Details
Detected advertisement: 139.27.241.0/24
Detected Origin ASN 2830 (MCI-DUAL-HOMED-CUSTOMERS, GB)
Detected AS Path 41405 39180 3356 702 2830
Detected by number of BGPMon peers: 161

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