Possible BGP hijack

Beginning at 2020-10-01 17:15:10 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS134121 RAINBOW-HK Rainbow network limited, HK.

But beginning at 2020-10-01 17:15:10, the same prefix ( was also announced by ASN 21859.

This was detected by 26 BGPMon peers.

Start time: 2020-10-01 17:15:10 UTC
Expected prefix:
Expected ASN: 134121 (RAINBOW-HK Rainbow network limited, HK)
Event Details
Detected advertisement:
Detected Origin ASN 21859 (ZNET, US)
Detected AS Path 263287 262868 28329 13786 7922 21859
Detected by number of BGPMon peers: 26

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