Possible BGP hijack

Beginning at 2022-12-05 22:34:18 UTC, we detected a possible BGP hijack.

Prefix 103.149.121.0/24, is normally announced by AS140023 IDNIC-DISKOMINFOMADIUNKOTA-AS-ID Dinas Komunikasi dan Informatika Kota Madiun, ID.

But beginning at 2022-12-05 22:34:18, the same prefix (103.149.121.0/24) was also announced by ASN 139952.

This was detected by 20 BGPMon peers.

Expected
Start time: 2022-12-05 22:34:18 UTC
Expected prefix: 103.149.121.0/24
Expected ASN: 140023 (IDNIC-DISKOMINFOMADIUNKOTA-AS-ID Dinas Komunikasi dan Informatika Kota Madiun, ID)
Event Details
Detected advertisement: 103.149.121.0/24
Detected Origin ASN 139952 (TRIDATA-AS-ID PT Trisari Data Indonusa, ID)
Detected AS Path 271 6327 9304 138840 139952
Detected by number of BGPMon peers: 20

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