Possible BGP hijack

Beginning at 2021-12-11 05:54:46 UTC, we detected a possible BGP hijack.

Prefix 146.19.135.0/24, is normally announced by AS31732 PARSUN-NETWORK-SOLUTIONS, AU.

But beginning at 2021-12-11 05:54:46, the same prefix (146.19.135.0/24) was also announced by ASN 211252.

This was detected by 4 BGPMon peers.

Expected
Start time: 2021-12-11 05:54:46 UTC
Expected prefix: 146.19.135.0/24
Expected ASN: 31732 (PARSUN-NETWORK-SOLUTIONS, AU)
Event Details
Detected advertisement: 146.19.135.0/24
Detected Origin ASN 211252 (AS_DELIS, US)
Detected AS Path 24751 12552 213035 211252
Detected by number of BGPMon peers: 4

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