Possible BGP hijack

Beginning at 2020-03-07 01:51:22, we detected a possible BGP hijack.

Prefix 158.51.100.0/22, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2020-03-07 01:51:22, a more specific route (158.51.102.0/24) was announced by ASN 813.

This was detected by 160 BGPMon peers.

Expected
Start time: 2020-03-07 01:51:22 UTC
Expected prefix: 158.51.100.0/22
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 158.51.102.0/24
Detected Origin ASN 813 (UUNET-CANADA, US)
Detected AS Path 133326 4826 1299 50304 397881 813 397881 813
Detected by number of BGPMon peers: 160

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