Possible BGP hijack

Beginning at 2023-08-19 14:23:52 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS136261 VERTIVCO-AS-AP Emerson Network Power Singapore Pte Ltd, SG.

But beginning at 2023-08-19 14:23:52, the same prefix ( was also announced by ASN 203.

This was detected by 54 BGPMon peers.

Start time: 2023-08-19 14:23:52 UTC
Expected prefix:
Expected ASN: 136261 (VERTIVCO-AS-AP Emerson Network Power Singapore Pte Ltd, SG)
Event Details
Detected advertisement:
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 28186 12956 3356 203
Detected by number of BGPMon peers: 54

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