Possible BGP hijack

Beginning at 2023-08-14 14:04:01, we detected a possible BGP hijack.

Prefix 149.51.0.0/19, Normally announced by AS980 Unknown

Starting at 2023-08-14 14:04:01, a more specific route (149.51.0.0/21) was announced by ASN 1273.

This was detected by 55 BGPMon peers.

Expected
Start time: 2023-08-14 14:04:01 UTC
Expected prefix: 149.51.0.0/19
Expected ASN: 980 (Unknown)
Event Details
Detected advertisement: 149.51.0.0/21
Detected Origin ASN 1273 (CW Vodafone Group PLC, EU)
Detected AS Path 50300 3356 1273
Detected by number of BGPMon peers: 55

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