Possible BGP hijack

Beginning at 2020-03-20 23:14:52 UTC, we detected a possible BGP hijack.

Prefix 203.27.253.0/24, is normally announced by AS1221 ASN-TELSTRA Telstra Corporation Ltd, AU.

But beginning at 2020-03-20 23:14:52, the same prefix (203.27.253.0/24) was also announced by ASN 10753.

This was detected by 138 BGPMon peers.

Expected
Start time: 2020-03-20 23:14:52 UTC
Expected prefix: 203.27.253.0/24
Expected ASN: 1221 (ASN-TELSTRA Telstra Corporation Ltd, AU)
Event Details
Detected advertisement: 203.27.253.0/24
Detected Origin ASN 10753 (LVLT-10753, US)
Detected AS Path 27553 3257 3356 10753
Detected by number of BGPMon peers: 138

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