Possible BGP hijack

Beginning at 2023-05-02 14:53:22 UTC, we detected a possible BGP hijack.

Prefix 192.245.248.0/24, is normally announced by AS393889 EIGHTJOY-NETWORK-LLC, US.

But beginning at 2023-05-02 14:53:22, the same prefix (192.245.248.0/24) was also announced by ASN 21859.

This was detected by 43 BGPMon peers.

Expected
Start time: 2023-05-02 14:53:22 UTC
Expected prefix: 192.245.248.0/24
Expected ASN: 393889 (EIGHTJOY-NETWORK-LLC, US)
Event Details
Detected advertisement: 192.245.248.0/24
Detected Origin ASN 21859 (ZEN-ECN, US)
Detected AS Path 63956 4809 21859
Detected by number of BGPMon peers: 43

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