Possible BGP hijack

Beginning at 2020-10-07 11:15:09, we detected a possible BGP hijack.

Prefix 144.177.64.0/19, Normally announced by AS209 CENTURYLINK-US-LEGACY-QWEST, US

Starting at 2020-10-07 11:15:09, a more specific route (144.177.74.0/23) was announced by ASN 2856.

This was detected by 14 BGPMon peers.

Expected
Start time: 2020-10-07 11:15:09 UTC
Expected prefix: 144.177.64.0/19
Expected ASN: 209 (CENTURYLINK-US-LEGACY-QWEST, US)
Event Details
Detected advertisement: 144.177.74.0/23
Detected Origin ASN 2856 (BT-UK-AS BTnet UK Regional network, GB)
Detected AS Path 29097 13030 2856
Detected by number of BGPMon peers: 14

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