Possible BGP hijack

Beginning at 2019-01-30 08:25:10, we detected a possible BGP hijack.

Prefix 164.90.0.0/20, Normally announced by AS36075 SPACELABS-MEDICAL - SpaceLabs Medical, Inc., US

Starting at 2019-01-30 08:25:10, a more specific route (164.90.10.0/24) was announced by ASN 2856.

This was detected by 72 BGPMon peers.

Expected
Start time: 2019-01-30 08:25:10 UTC
Expected prefix: 164.90.0.0/20
Expected ASN: 36075 (SPACELABS-MEDICAL - SpaceLabs Medical, Inc., US)
Event Details
Detected advertisement: 164.90.10.0/24
Detected Origin ASN 2856 (BT-UK-AS BTnet UK Regional network, GB)
Detected AS Path 395152 63297 11404 6461 2856
Detected by number of BGPMon peers: 72

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