Possible BGP hijack

Beginning at 2020-09-29 17:46:16 UTC, we detected a possible BGP hijack.

Prefix 146.88.242.0/24, is normally announced by AS19905 NEUSTAR-AS6, US.

But beginning at 2020-09-29 17:46:16, the same prefix (146.88.242.0/24) was also announced by ASN 1221.

This was detected by 16 BGPMon peers.

Expected
Start time: 2020-09-29 17:46:16 UTC
Expected prefix: 146.88.242.0/24
Expected ASN: 19905 (NEUSTAR-AS6, US)
Event Details
Detected advertisement: 146.88.242.0/24
Detected Origin ASN 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Detected AS Path 138540 9299 4637 1221
Detected by number of BGPMon peers: 16

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