Possible BGP hijack

Beginning at 2023-03-28 07:29:56, we detected a possible BGP hijack.

Prefix 113.203.252.0/22, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2023-03-28 07:29:56, a more specific route (113.203.253.0/24) was announced by ASN 48678.

This was detected by 26 BGPMon peers.

Expected
Start time: 2023-03-28 07:29:56 UTC
Expected prefix: 113.203.252.0/22
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 113.203.253.0/24
Detected Origin ASN 48678 (TR-PENTECH-AS, TR)
Detected AS Path 49134 53356 6939 6762 15924 15924 15924 15924 15924 15924 15924 15924 48678 48678 48678
Detected by number of BGPMon peers: 26

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