Possible BGP hijack

Beginning at 2021-10-08 13:10:43 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS21433 ACCENTUREFSSC London DC, GB.

But beginning at 2021-10-08 13:10:43, the same prefix ( was also announced by ASN 140909.

This was detected by 117 BGPMon peers.

Start time: 2021-10-08 13:10:43 UTC
Expected prefix:
Expected ASN: 21433 (ACCENTUREFSSC London DC, GB)
Event Details
Detected advertisement:
Detected Origin ASN 140909 (MYNOCSDNBHD-AS-AP MyNOC Asia Technology Sdn Bhd, MY)
Detected AS Path 12779 6939 55482 140909
Detected by number of BGPMon peers: 117

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