Possible BGP hijack

Beginning at 2022-04-14 18:20:17 UTC, we detected a possible BGP hijack.

Prefix 143.137.7.0/24, is normally announced by AS61636 logicLINK Telecom - EIRELI, BR.

But beginning at 2022-04-14 18:20:17, the same prefix (143.137.7.0/24) was also announced by ASN 136406.

This was detected by 5 BGPMon peers.

Expected
Start time: 2022-04-14 18:20:17 UTC
Expected prefix: 143.137.7.0/24
Expected ASN: 61636 (logicLINK Telecom - EIRELI, BR)
Event Details
Detected advertisement: 143.137.7.0/24
Detected Origin ASN 136406 (SPEED-LINK-AS-AP SPEED LINK, BD)
Detected AS Path 63956 3491 58453 58717 136406
Detected by number of BGPMon peers: 5

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