Possible BGP hijack

Beginning at 2023-08-17 20:25:02, we detected a possible BGP hijack.

Prefix, Normally announced by AS21003 GPTC-AS, LY

Starting at 2023-08-17 20:25:02, a more specific route ( was announced by ASN 19905.

This was detected by 55 BGPMon peers.

Start time: 2023-08-17 20:25:02 UTC
Expected prefix:
Expected ASN: 21003 (GPTC-AS, LY)
Event Details
Detected advertisement:
Detected Origin ASN 19905 (NEUSTAR-AS6, US)
Detected AS Path 63956 1299 22822 19905
Detected by number of BGPMon peers: 55

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